CY 2022 OPPS/ASC PROPOSED RULE	
"Addendum O:  Long Descriptors for New CPT and G - Codes Effective January 1, 2022"	
CPT codes and descriptions only are copyright 2019 American Medical Association.  All Rights Reserved.  Applicable FARS/DFARS Apply. 	
"NOTE:  As discussed in sections III.A. (Proposed OPPS Treatment of New and Revised HCPCS Codes) and XIII.B. (Proposed ASC Treatment of New and Revised Codes) of the CY 2022 OPPS/ASC proposed rule, we are requesting comments on the new CPT codes and G-codes that are listed below.  Specifically, we are requesting comments on the OPPS status indicator (SI) and APC assignments, as well as the ASC payment indicator (PI) assignments.  The proposed payment rates for these codes can be found in the following OPPS and ASC addenda of this proposed rule, which are available via the Internet on the CMS Web site:  OPPS Addendum B, ASC Addendum AA, and ASC Addendum BB."	
CY 2022 OPPS/ASC                                                                                                                                              Proposed Rule                                                                                                                                         5-Digit Placeholder Code	Long Descriptor
01XX2	"Anesthesia for percutaneous image-guided injection, drainage or aspiration procedures on the spine or spinal cord; cervical or thoracic"
01XX3	"Anesthesia for percutaneous image-guided injection, drainage or aspiration procedures on the spine or spinal cord; lumbar or sacral"
01XX4	Anesthesia for percutaneous image-guided destruction procedures by neurolytic agent on the spine or spinal cord; cervical or thoracic
01XX5	Anesthesia for percutaneous image-guided destruction procedures by neurolytic agent on the spine or spinal cord; lumbar or sacral
01XX6	"Anesthesia for percutaneous image-guided neuromodulation or intravertebral procedures (eg, kyphoplasty, vertebroplasty) on the spine or spinal cord; cervical or thoracic"
01XX7	"Anesthesia for percutaneous image-guided neuromodulation or intravertebral procedures (eg, kyphoplasty, vertebroplasty) on the spine or spinal cord; lumbar or sacral"
050XT	"Laparoscopic insertion of new or replacement of permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, including an implantable pulse generator and diaphragmatic lead(s)"
051XT	"Laparoscopic insertion of new or replacement of diaphragmatic lead(s), permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, including connection to an existing pulse generator; first lead"
052XT	"Insertion or replacement of pulse generator only, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, with connection to existing lead(s)"
053XT	"Programming device evaluation (in-person) with iterative adjustment of the implantable device to test the function of the device and select optimal permanent programmed values with analysis, review and report by a physician or other qualified health care professional, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function"
054XT	"Peri-procedural device evaluation (in-person) and programming of device system parameters before or after a surgery, procedure, or test with analysis, review, and report by a physician or other qualified health care professional, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function "
055XT	"Interrogation device evaluation (in-person) with analysis, review and report by a physician or other qualified health care professional, including connection, recording and disconnection per patient encounter, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function"
056XT	"Histotripsy (ie, non-thermal ablation via acoustic energy delivery) of malignant hepatocellular tissue, including image guidance"
057XT	Therapeutic ultrafiltration
058XT	"Treatment of amblyopia using an online digital program; device supply, educational set-up, and initial session"
059XT	"Treatment of amblyopia using an online digital program; assessment of patient performance and program data by physician or other qualified health care professional, with report, per calendar month"
060XT	"Laparoscopic insertion of new or replacement of diaphragmatic lead(s), permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, including connection to an existing pulse generator; each additional lead (List separately in addition to code for primary procedure)"
061XT	"Laparoscopic repositioning of diaphragmatic lead(s), permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, including connection to an existing pulse generator; first repositioned lead"
062XT	"Laparoscopic repositioning of diaphragmatic lead(s), permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, including connection to an existing pulse generator; each additional repositioned lead (List separately in addition to code for primary procedure)"
063XT	"Laparoscopic removal of diaphragmatic lead(s), permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function"
064XT	"Relocation of pulse generator only, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function, with connection to existing dual leads"
065XT	"Removal of pulse generator only, permanent implantable synchronized diaphragmatic stimulation system for augmentation of cardiac function"
06X0T	"Endovaginal cryogen-cooled, monopolar radiofrequency remodeling of the tissues surrounding the female bladder neck and proximal urethra for urinary incontinence"
0X12T	"Insertion of anterior segment aqueous drainage device into the trabecular meshwork, without external reservoir, and without concomitant cataract removal, one or more"
0X32T	"Quantitative magnetic resonance for analysis of tissue composition (eg, fat, iron, water content), including multiparametric data acquisition, data preparation and transmission, interpretation and report, obtained without diagnostic MRI examination of the same anatomy (eg, organ, gland, tissue, target structure) during the same session; multiple organs"
0X33T	"Quantitative ultrasound tissue characterization (non-elastographic), including interpretation and report, obtained without diagnostic ultrasound examination of the same anatomy (eg, organ, gland, tissue, target structure)"
0X34T	"Quantitative ultrasound tissue characterization (non-elastographic), including interpretation and report, obtained with diagnostic ultrasound examination of the same anatomy (eg, organ, gland, tissue, target structure) (List separately in addition to code for primary procedure)"
0X36T	"Automated analysis of an existing computed tomography study for vertebral fracture(s), including assessment of bone density when performed, data preparation, interpretation, and report"
0X37T	"Quantitative magnetic resonance for analysis of tissue composition (eg, fat, iron, water content), including multiparametric data acquisition, data preparation and transmission, interpretation and report, obtained with diagnostic MRI examination of the same anatomy (eg, organ, gland, tissue, target structure); multiple organs (List separately in addition to code for primary procedure)"
0X45T	"Ablation, benign thyroid nodule(s), percutaneous, laser, including imaging guidance"
0X47T	"Remote therapeutic monitoring of a standardized online digital cognitive behavioral therapy program ordered by a physician or other qualified health care professional; supply and technical support, per 30 days"
0X57T	Remote treatment of amblyopia using an eye tracking device; device supply with initial set-up and patient education on use of equipment
0X58T	"Remote treatment of amblyopia using an eye tracking device; surveillance center technical support including data transmission with analysis, with a minimum of 18 training hours, each 30 days"
0X59T	"Remote treatment of amblyopia using an eye tracking device; interpretation and report by physician or other qualified health care professional, per calendar month"
0X60T	Comprehensive full body computer-based markerless 3D kinematic and kinetic motion analysis and report
0X65T	Molecular fluorescent imaging of suspicious nevus; first lesion
0X66T	Molecular fluorescent imaging of suspicious nevus; each additional lesion (List separately in addition to code for primary procedure)
0X68T	Intradermal cancer immunotherapy; preparation and initial injection
0X69T	Intradermal cancer immunotherapy; each additional injection (List separately in addition to code for primary procedure)
0X70T	"Noninvasive arterial plaque analysis using software processing of data from non-coronary computerized tomography angiography; including data preparation and transmission, quantification of the structure and composition of the vessel wall and assessment for lipid rich necrotic core plaque to assess atherosclerotic plaque stability, data review, interpretation and report "
0X71T	Noninvasive arterial plaque analysis using software processing of data from non-coronary computerized tomography angiography; data preparation and transmission
0X72T	Noninvasive arterial plaque analysis using software processing of data from non-coronary computerized tomography angiography; quantification of the structure and composition of the vessel wall and assessment for lipid rich necrotic core plaque to assess atherosclerotic plaque stability
0X73T	"Noninvasive arterial plaque analysis using software processing of data from non-coronary computerized tomography angiography; data review, interpretation and report"
0X74T	"3-dimensional volumetric imaging and reconstruction of breast or axillary lymph node tissue, each excised specimen, 3-dimensional automatic specimen reorientation, interpretation and report, real-time intraoperative"
0X75T	"Body surface activation mapping of pacemaker or pacing cardioverter-defibrillator lead(s) to optimize electrical synchrony, cardiac resynchronization therapy device, including connection, recording, disconnection, review and report; at time of implant or replacement"
0X76T	"Body surface activation mapping of pacemaker or pacing cardioverter-defibrillator lead(s) to optimize electrical synchrony, cardiac resynchronization therapy device, including connection, recording, disconnection, review and report; at time of follow-up interrogation or programming device evaluation"
0X78T	"Injection, posterior chamber of eye, medication "
0X79T	"Injection(s), bone substitute material (eg, calcium phosphate) into subchondral bone defect (ie, bone marrow lesion, bone bruise, stress injury, microtrabecular fracture), including imaging guidance and arthroscopic assistance for joint visualization"
0X81T	"Remote therapeutic monitoring of a standardized online digital cognitive behavioral therapy program ordered by a physician or other qualified health care professional; management services by physician or other qualified health care professional, per calendar month"
338X0	Percutaneous transluminal angioplasty of native or recurrent coarctation of the aorta
338X1	"Endovascular stent repair of coarctation of the ascending, transverse, or descending thoracic or abdominal aorta, involving stent placement; across major side branches"
338X2	"Endovascular stent repair of coarctation of the ascending, transverse, or descending thoracic or abdominal aorta, involving stent placement; not crossing major side branches "
33XX3	"Exclusion of left atrial appendage, open, any method (eg, excision, isolation via stapling, oversewing, ligation, plication, clip)"
33XX4	"Exclusion of left atrial appendage, open, performed at the time of other sternotomy or thoracotomy procedure(s), any method (eg, excision, isolation via stapling, oversewing, ligation, plication, clip) (List separately in addition to code for primary procedure)"
33XX5	"Exclusion of left atrial appendage, thoracoscopic, any method (eg, excision, isolation via stapling, oversewing, ligation, plication, clip)"
33XXX	"Transcatheter placement and subsequent removal of cerebral embolic protection device(s), including arterial access, catheterization, imaging, and radiological supervision and interpretation, percutaneous (List separately in addition to code for primary procedure)"
35XX0	"Harvest of upper extremity artery, 1 segment, for coronary artery bypass procedure, endoscopic"
42XXX	"Drug-induced sleep endoscopy, with dynamic evaluation of velum, pharynx, tongue base, and larynx for evaluation of sleep-disordered breathing, flexible, diagnostic"
434XX	"Lower esophageal myotomy, transoral (ie, peroral endoscopic myotomy [POEM])"
53XX1	"Periurethral transperineal adjustable balloon continence device; bilateral insertion, including cystourethroscopy and imaging guidance"
53XX2	"Periurethral transperineal adjustable balloon continence device; unilateral insertion, including cystourethroscopy and imaging guidance"
53XX3	"Periurethral transperineal adjustable balloon continence device; removal, each balloon"
53XX4	Periurethral transperineal adjustable balloon continence device; percutaneous adjustment of balloon(s) fluid volume
617X1	"Laser interstitial thermal therapy (LITT) of lesion, intracranial, including burr hole(s), with magnetic resonance imaging guidance, when performed; single trajectory for 1 simple lesion"
617X2	"Laser interstitial thermal therapy (LITT) of lesion, intracranial, including burr hole(s), with magnetic resonance imaging guidance, when performed; multiple trajectories for multiple or complex lesion(s)"
630X1	"Laminectomy, facetectomy, or foraminotomy (unilateral or bilateral with decompression of spinal cord, cauda equina and/or nerve root[s] [eg, spinal or lateral recess stenosis]), during posterior interbody arthrodesis, lumbar; each additional segment (List separately in addition to code for primary procedure)"
630XX	"Laminectomy, facetectomy, or foraminotomy (unilateral or bilateral with decompression of spinal cord, cauda equina and/or nerve root[s] [eg, spinal or lateral recess stenosis]), during posterior interbody arthrodesis, lumbar; single vertebral segment (List separately in addition to code for primary procedure)"
645X1	"Open implantation of hypoglossal nerve neurostimulator array, pulse generator, and distal respiratory sensor electrode or electrode array"
645X2	"Revision or replacement of hypoglossal nerve neurostimulator array and distal respiratory sensor electrode or electrode array, including connection to existing pulse generator"
645X3	"Removal of hypoglossal nerve neurostimulator array, pulse generator, and distal respiratory sensor electrode or electrode array"
646X0	"Thermal destruction of intraosseous basivertebral nerve, including all imaging guidance; first 2 vertebral bodies, lumbar or sacral"
646X1	"Thermal destruction of intraosseous basivertebral nerve, including all imaging guidance; each additional vertebral body, lumbar or sacral (List separately in addition to code for primary procedure)"
669X1	"Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more"
669X2	"Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more"
68XXX	"Insertion of drug-eluting implant, including punctal dilation when performed, into lacrimal canaliculus, each"
69X50	"Implantation, osseointegrated implant, skull; with magnetic transcutaneous attachment to external speech processor"
69X51	"Revision or replacement (including removal of existing device), osseointegrated implant, skull; with magnetic transcutaneous attachment to external speech processor"
69X52	"Removal, osseointegrated implant, skull; with percutaneous attachment to external speech processor"
69X53	"Removal, osseointegrated implant, skull; with magnetic transcutaneous attachment to external speech processor"
77X01	"Trabecular bone score (TBS), structural condition of the bone microarchitecture; using dual X-ray absorptiometry (DXA) or other imaging data on gray-scale variogram, calculation, with interpretation and report on fracture-risk"
77X02	"Trabecular bone score (TBS), structural condition of the bone microarchitecture; technical preparation and transmission of data for analysis to be performed elsewhere"
77X03	"Trabecular bone score (TBS), structural condition of the bone microarchitecture; technical calculation only"
77X04	"Trabecular bone score (TBS), structural condition of the bone microarchitecture; interpretation and report on fracture-risk only by other qualified health care professional"
801XX	Hydroxychloroquine
80XX0	"Pathology clinical consultation; for a clinical problem with limited review of patient's history and medical records and straightforward medical decision making.
When using time for code selection, 5-20 minutes of total time is spent on the date of the consultation."
80XX1	"Pathology clinical consultation; for a moderately complex clinical problem, with review of patient’s history and medical records and moderate level of medical decision making.
When using time for code selection, 21-40 minutes of total time is spent on the date of the consultation."
80XX2	"Pathology clinical consultation; for a highly complex clinical problem, with comprehensive review of patient’s history and medical records and high level of medical decision making.
When using time for code selection, 41-60 minutes of total time is spent on the date of the consultation."
80XX3	"Pathology clinical consultation; prolonged service, each additional 30 minutes (List separately in addition to code for primary procedure)"
812X0	"Cytogenomic (genome-wide) analysis for constitutional chromosomal abnormalities; interrogation of genomic regions for copy number and loss-of-heterozygosity variants, low-pass sequencing analysis"
815X0	"Transplantation medicine (allograft rejection, pediatric liver and small bowel), measurement of donor and third-party-induced CD154+T-cytotoxic memory cells, utilizing whole peripheral blood, algorithm reported as a rejection risk score"
815X1	"Oncology (breast), mRNA, next-generation sequencing gene expression profiling of 70 content genes and 31 housekeeping genes, utilizing formalin-fixed paraffin-embedded tissue, algorithm reported as index related to risk to distant metastasis "
826X0	"Elastase, pancreatic (EL-1), fecal; quantitative"
8352X	"Immunoglobulin light chains (ie, kappa, lambda), free, each"
835X1	Interleukin-6 (IL-6)
860X1	"Aquaporin-4 (neuromyelitis optica [NMO]) antibody; cell-based immunofluorescence assay (CBA), each"
860X2	"Aquaporin-4 (neuromyelitis optica [NMO]) antibody; flow cytometry (ie, fluorescence-activated cell sorting [FACS]), each"
860XX	Aquaporin-4 (neuromyelitis optica [NMO]) antibody; enzyme-linked immunosorbent immunoassay (ELISA)
862X0	"Endomysial antibody (EMA), each immunoglobulin (Ig) class"
862X1	"Tissue transglutaminase, each immunoglobulin (Ig) class"
862XX	"Gliadin (deamidated) (DGP) antibody, each immunoglobulin (Ig) class"
863X2	"Myelin oligodendrocyte glycoprotein (MOG-IgG1) antibody; cell-based immunofluorescence assay (CBA), each"
863X3	"Myelin oligodendrocyte glycoprotein (MOG-IgG1) antibody; flow cytometry (ie, fluorescence-activated cell sorting [FACS]), each"
863X4	"Mitochondrial antibody (eg, M2), each"
865X0	"Voltage-gated calcium channel antibody, each"
86X00	"Antineutrophil cytoplasmic antibody (ANCA); screen, each antibody"
86X01	"Antineutrophil cytoplasmic antibody (ANCA); titer, each antibody"
86XX0	"Actin (smooth muscle) antibody (ASMA), each"
8715X	"Culture, typing; identification of blood pathogen and resistance typing, when performed, by nucleic acid (DNA or RNA) probe, multiplexed amplified probe technique including multiplex reverse transcription, when performed, per culture or isolate, 6 or more targets"
9074X	"Hepatitis B vaccine (HepB), 3-antigen (S, Pre-S1, Pre-S2), 10 mcg dosage, 3-dose schedule, for intramuscular use"
9111X	"Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), colon, with interpretation and report"
933X0	"3D echocardiographic imaging and postprocessing during transesophageal echocardiography, or during transthoracic echocardiography for congenital cardiac anomalies, for the assessment of cardiac structure(s) (eg, cardiac chambers and valves, left atrial appendage, interatrial septum, interventricular septum) and function, when performed (List separately in addition to code for echocardiographic imaging)"
93X1X	Right heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone; normal native connections 
93X2X	Right heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone; abnormal native connections 
93X3X	"Left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone, normal or abnormal native connections"
93X4X	Right and left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone(s); normal native connections 
93X5X	Right and left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone(s); abnormal native connections 
93X6X	"Cardiac output measurement(s), thermodilution or other indicator dilution method, performed during cardiac catheterization for the evaluation of congenital heart defects (List separately in addition to code for primary procedure)"
946X1	Physician or other qualified health care professional services for outpatient pulmonary rehabilitation; without continuous oximetry monitoring (per session) 
946X2	Physician or other qualified health care professional services for outpatient pulmonary rehabilitation; with continuous oximetry monitoring (per session) 
989X1	"Remote therapeutic monitoring (eg, respiratory system status, musculoskeletal system status, therapy adherence, therapy response); initial set-up and patient education on use of equipment"
989X2	"Remote therapeutic monitoring (eg, respiratory system status, musculoskeletal system status, therapy adherence, therapy response); device(s) supply with scheduled (eg, daily) recording(s) and/or programmed alert(s) transmission to monitor respiratory system, each 30 days"
989X3	"Remote therapeutic monitoring (eg, respiratory system status, musculoskeletal system status, therapy adherence, therapy response); device(s) supply with scheduled (eg, daily) recording(s) and/or programmed alert(s) transmission to monitor musculoskeletal system, each 30 days"
989X4	"Remote therapeutic monitoring treatment management services, physician or other qualified health care professional time in a calendar month requiring at least one interactive communication with the patient or caregiver during the calendar month; first 20 minutes"
989X5	"Remote therapeutic monitoring treatment management services, physician or other qualified health care professional time in a calendar month requiring at least one interactive communication with the patient or caregiver during the calendar month; each additional 20 minutes (List separately in addition to code for primary procedure)"
99X21	"Chronic care management services with the following required elements:
multiple (two or more) chronic conditions expected to last at least 12 months, or until the death of the patient,
chronic conditions that place the patient at significant risk of death, acute exacerbation/decompensation, or functional decline,
comprehensive care plan established, implemented, revised, or monitored;
each additional 30 minutes by a physician or other qualified health care professional, per calendar month (List separately in addition to code for primary procedure)"
99X22	"Principal care management services, for a single high-risk disease, with the following required elements:
one complex chronic condition expected to last at least 3 months, and that places the patient at significant risk of hospitalization, acute exacerbation/decompensation, functional decline, or death,
the condition requires development, monitoring, or revision of disease-specific care plan,
the condition requires frequent adjustments in the medication regimen and/or the management of the condition is unusually complex due to comorbidities,
ongoing communication and care coordination between relevant practitioners furnishing care;
first 30 minutes provided personally by a physician or other qualified health care professional, per calendar month."
99X23	"Principal care management services, for a single high-risk disease, with the following required elements:
one complex chronic condition expected to last at least 3 months, and that places the patient at significant risk of hospitalization, acute exacerbation/decompensation, functional decline, or death,
the condition requires development, monitoring, or revision of disease-specific care plan,
the condition requires frequent adjustments in the medication regimen and/or the management of the condition is unusually complex due to comorbidities,
ongoing communication and care coordination between relevant practitioners furnishing care;
each additional 30 minutes provided personally by a physician or other qualified health care professional, per calendar month (List separately in addition to code for primary procedure)"
99X24	"Principal care management services, for a single high-risk disease, with the following required elements:
one complex chronic condition expected to last at least 3 months, and that places the patient at significant risk of hospitalization, acute exacerbation/decompensation, functional decline, or death,
the condition requires development, monitoring, or revision of disease-specific care plan,
the condition requires frequent adjustments in the medication regimen and/or the management of the condition is unusually complex due to comorbidities,
ongoing communication and care coordination between relevant practitioners furnishing care;
first 30 minutes of clinical staff time directed by physician or other qualified health care professional, per calendar month."
99X25	"Principal care management services, for a single high-risk disease, with the following required elements:
one complex chronic condition expected to last at least 3 months, and that places the patient at significant risk of hospitalization, acute exacerbation/decompensation, functional decline, or death,
the condition requires development, monitoring, or revision of disease-specific care plan,
the condition requires frequent adjustments in the medication regimen and/or the management of the condition is unusually complex due to comorbidities,
ongoing communication and care coordination between relevant practitioners furnishing care;
each additional 30 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar month (List separately in addition to code for primary procedure)"
GXXAB	"Application of synthetic skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm, including provision of synthetic skin substitute; first 25 sq cm or less wound surface area"
GXXAC	"Application of synthetic skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm, including provision of synthetic skin substitute; each additional 25 sq cm wound surface area, or part thereof (List separately in addition to code for primary procedure)"
GXXAD	"Application of synthetic skin substitute graft to trunk, arms, legs, total wound surface area greater than or equal to 100 sq cm, including provision of synthetic skin substitute; first 100 sq cm wound surface area, or 1% of body area of infants and children"
GXXAE	"Application of synthetic skin substitute graft to trunk, arms, legs, total wound surface area greater than or equal to 100 sq cm, including provision of synthetic skin substitute; each additional 100 sq cm wound surface area, or part thereof, or each additional 1% of body area of infants and children, or part thereof (List separately in addition to code for primary procedure)"
GXXAF	"Application of synthetic skin substitute graft to face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits, total wound surface area up to 100 sq cm, including provision of synthetic skin substitute; first 25 sq cm or less wound surface area"
GXXAG	"Application of synthetic skin substitute graft to face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits, total wound surface area up to 100 sq cm, including provision of synthetic skin substitute; each additional 25 sq cm wound surface area, or part thereof (List separately in addition to code for primary procedure)"
GXXAH	"Application of synthetic skin substitute graft to face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits, total wound surface area greater than or equal to 100 sq cm, including provision of synthetic skin substitute; first 100 sq cm wound surface area, or 1% of body area of infants and children"
GXXAI	"Application of synthetic skin substitute graft to face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits, total wound surface area greater than or equal to 100 sq cm, including provision of synthetic skin substitute; each additional 100 sq cm wound surface area, or part thereof, or each additional 1% of body area of infants and children, or part thereof (List separately in addition to code for primary procedure)"
	
	
	
