   ADDENDUM N.—FINAL CY 2021 BYPASS CODES FOR CREATING “PSEUDO” SINGLE PROCEDURE CLAIMS FOR CALCULATING GEOMETRIC MEAN COSTS FOR THE CY 2021 OPPS			
	CPT codes and descriptions only are copyright 2019 American Medical Association.  All Rights Reserved.  Applicable FARS/DFARS Apply. Dental codes (D codes) are copyright 2019/20 American Dental Association.  All Rights Reserved.		
CY 2021 HCPCS Code	CY 2021 HCPCS Descriptor	Overlap Bypass Codes	Additions
0394T	Hdr elctrnc skn surf brchytx		*
11954	Tx contour defects >10.0 cc		
17004	Destroy premal lesions 15/>		
17281	Destruction of skin lesions		
17282	Destruction of skin lesions		
23600	Treat humerus fracture		
31231	Nasal endoscopy dx		
31579	Laryngoscopy telescopic		
56820	Exam of vulva w/scope		
57180	Treat vaginal bleeding		
57452	Exam of cervix w/scope		
62252	Csf shunt reprogram		
64566	Neuroeltrd stim post tibial		
70336	Magnetic image jaw joint	*	
70450	Ct head/brain w/o dye	*	
70480	Ct orbit/ear/fossa w/o dye	*	
70486	Ct maxillofacial w/o dye	*	
70490	Ct soft tissue neck w/o dye	*	
70544	Mr angiography head w/o dye	*	
70547	Mr angiography neck w/o dye	*	
70551	Mri brain stem w/o dye	*	
71250	Ct thorax dx c-	*	
71550	Mri chest w/o dye	*	
72125	Ct neck spine w/o dye	*	
72128	Ct chest spine w/o dye	*	
72131	Ct lumbar spine w/o dye	*	
72141	Mri neck spine w/o dye	*	
72146	Mri chest spine w/o dye	*	
72148	Mri lumbar spine w/o dye	*	
72192	Ct pelvis w/o dye	*	
73200	Ct upper extremity w/o dye	*	
73218	Mri upper extremity w/o dye	*	
73221	Mri joint upr extrem w/o dye	*	
73700	Ct lower extremity w/o dye	*	
73718	Mri lower extremity w/o dye	*	
73721	Mri jnt of lwr extre w/o dye	*	
74150	Ct abdomen w/o dye	*	
74249	"	Contrst x-ray uppr gi tract"		
76700	Us exam abdom complete	*	
76705	Echo exam of abdomen	*	
76770	Us exam abdo back wall comp	*	
76776	Us exam k transpl w/doppler	*	
76801	Ob us < 14 wks single fetus		
76805	Ob us >= 14 wks sngl fetus		
76811	Ob us detailed sngl fetus		
76830	Transvaginal us non-ob		
76856	Us exam pelvic complete	*	
76857	Us exam pelvic limited	*	
76881	Us compl joint r-t w/img		
77084	Magnetic image bone marrow		
77300	Radiation therapy dose plan		
77301	Radiotherapy dose plan imrt		
77307	Telethx isodose plan cplx		
77316	Brachytx isodose plan simple		
77318	Brachytx isodose complex		
77321	Special teletx port plan		
77331	Special radiation dosimetry		
77336	Radiation physics consult		
77338	Design mlc device for imrt		
77370	Radiation physics consult		
77401	Radiation treatment delivery		
77520	Proton trmt simple w/o comp		
77600	Hyperthermia treatment		
77605	Hyperthermia treatment		
77610	Hyperthermia treatment		
77767	Hdr rdncl skn surf brachytx		*
77768	Hdr rdncl skn surf brachytx		
90791	Psych diagnostic evaluation		
90832	Psytx w pt 30 minutes		
90834	Psytx w pt 45 minutes		
90837	Psytx w pt 60 minutes		
90846	Family psytx w/o pt 50 min		
90847	Family psytx w/pt 50 min		
90849	Multiple family group psytx		
90853	Group psychotherapy		
90867	Tcranial magn stim tx plan		
90868	Tcranial magn stim tx deli		
90869	Tcran magn stim redetemine		
92002	Eye exam new patient		
92004	Eye exam new patient		
92012	Eye exam establish patient		
92014	Eye exam&tx estab pt 1/>vst		
92275	Electroretinography		
92584	Electrocochleography		
92585	Auditor evoke potent compre		
93229	Remote 30 day ecg tech supp		
93271	Ecg/monitoring and analysis		
93306	Tte w/doppler complete		
93668	Peripheral vascular rehab		
93702	Bis xtracell fluid analysis		
93797	Cardiac rehab		
93798	Cardiac rehab/monitor		
93880	Extracranial bilat study		
93882	Extracranial uni/ltd study		
93886	Intracranial complete study		
93888	Intracranial limited study		
93923	Upr/lxtr art stdy 3+ lvls		
93924	Lwr xtr vasc stdy bilat		
93925	Lower extremity study		
93926	Lower extremity study		
93930	Upper extremity study		
93931	Upper extremity study		
93970	Extremity study		
93971	Extremity study		
93975	Vascular study		
93976	Vascular study		
93978	Vascular study		
95249	Cont gluc mntr pt prov eqp		
95250	Cont gluc mntr phys/qhp eqp		
95783	Polysom <6 yrs cpap/bilvl		
95800	Slp stdy unattended		
95805	Multiple sleep latency test		
95806	Sleep study unatt&resp efft		
95807	Sleep study attended		
95808	Polysom any age 1-3> param		
95810	Polysom 6/> yrs 4/> param		
95811	Polysom 6/>yrs cpap 4/> parm		
95812	Eeg 41-60 minutes		
95813	Eeg extnd mntr 61-119 min		
95816	Eeg awake and drowsy		
95819	Eeg awake and asleep		
95822	Eeg coma or sleep only		
95926	Somatosensory testing		
95930	Visual ep test cns w/i&r		
95950	"	Ambulatory eeg monitoring"		
95953	"	Eeg monitoring/computer"		
95972	Alys cplx sp/pn npgt w/prgrm		
95974	Cranial neurostim complex		
95978	Analyze neurostim brain/1h		
96000	Motion analysis video/3d		
96101	Psycho testing by psych/phys		
96111	Developmental test extend		
96116	Nubhvl xm phys/qhp 1st hr		
96118	Neuropsych tst by psych/phys		
96119	Neuropsych testing by tec		
96150	"	Assess hlth/behave init"		
96151	"	Assess hlth/behave subseq"		
96152	"	Intervene hlth/behave indiv"		
96153	"	Intervene hlth/behave group"		
96361	Hydrate iv infusion add-on		
96366	Ther/proph/diag iv inf addon		
96367	Tx/proph/dg addl seq iv inf		
96370	Sc ther infusion addl hr		
96375	Tx/pro/dx inj new drug addon		
96411	Chemo iv push addl drug		
96415	Chemo iv infusion addl hr		
96417	Chemo iv infus each addl seq		
96423	Chemo ia infuse each addl hr		
96913	Photochemotherapy uv-a or b		
99406	Behav chng smoking 3-10 min		
99407	Behav chng smoking > 10 min		
99484	Care mgmt svc bhvl hlth cond		*
99490	Chron care mgmt srvc 20 min		
G0008	Admin influenza virus vac		
G0101	Ca screen;pelvic/breast exam		
G0130	Single energy x-ray study		
G0175	"Opps service,sched team conf"		
G0238	"Oth resp proc, indiv"		
G0248	Demonstrate use home inr mon		
G0249	Provide inr test mater/equip		
G0297	Ldct for lung ca screen		
G0365	Vessel mapping hemo access		
G0390	Trauma respons w/hosp criti		
G0396	Alcohol/subs interv 15-30mn		
G0397	Alcohol/subs interv >30 min		
G0398	Home sleep test/type 2 porta		
G0399	Home sleep test/type 3 porta		
G0400	Home sleep test/type 4 porta		
G0402	Initial preventive exam		
G0422	Intens cardiac rehab w/exerc		
G0424	Pulmonary rehab w exer		
G0447	Behavior counsel obesity 15m		
G0473	Group behave couns 2-10 		
