ICD-10-CM/PCS MS-DRG v42.0 Definitions Manual
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Appendix H Part 1: Diagnoses Defined as Major Complications or Comorbidities
Page 2 of 9
A021 I6319 N017 R402222 S22070B S35228A S52342C S72345B S82499C
I6319Cerebral infarction due to embolism of other precerebral artery
I6320Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
I63211Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery
I63212Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery
I63213Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries
I63219Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery
I6322Cerebral infarction due to unspecified occlusion or stenosis of basilar artery
I63231Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries
I63232Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries
I63233Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries
I63239Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery
I6329Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
I6330Cerebral infarction due to thrombosis of unspecified cerebral artery
I63311Cerebral infarction due to thrombosis of right middle cerebral artery
I63312Cerebral infarction due to thrombosis of left middle cerebral artery
I63313Cerebral infarction due to thrombosis of bilateral middle cerebral arteries
I63319Cerebral infarction due to thrombosis of unspecified middle cerebral artery
I63321Cerebral infarction due to thrombosis of right anterior cerebral artery
I63322Cerebral infarction due to thrombosis of left anterior cerebral artery
I63323Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries
I63329Cerebral infarction due to thrombosis of unspecified anterior cerebral artery
I63331Cerebral infarction due to thrombosis of right posterior cerebral artery
I63332Cerebral infarction due to thrombosis of left posterior cerebral artery
I63333Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries
I63339Cerebral infarction due to thrombosis of unspecified posterior cerebral artery
I63341Cerebral infarction due to thrombosis of right cerebellar artery
I63342Cerebral infarction due to thrombosis of left cerebellar artery
I63343Cerebral infarction due to thrombosis of bilateral cerebellar arteries
I63349Cerebral infarction due to thrombosis of unspecified cerebellar artery
I6339Cerebral infarction due to thrombosis of other cerebral artery
I6340Cerebral infarction due to embolism of unspecified cerebral artery
I63411Cerebral infarction due to embolism of right middle cerebral artery
I63412Cerebral infarction due to embolism of left middle cerebral artery
I63413Cerebral infarction due to embolism of bilateral middle cerebral arteries
I63419Cerebral infarction due to embolism of unspecified middle cerebral artery
I63421Cerebral infarction due to embolism of right anterior cerebral artery
I63422Cerebral infarction due to embolism of left anterior cerebral artery
I63423Cerebral infarction due to embolism of bilateral anterior cerebral arteries
I63429Cerebral infarction due to embolism of unspecified anterior cerebral artery
I63431Cerebral infarction due to embolism of right posterior cerebral artery
I63432Cerebral infarction due to embolism of left posterior cerebral artery
I63433Cerebral infarction due to embolism of bilateral posterior cerebral arteries
I63439Cerebral infarction due to embolism of unspecified posterior cerebral artery
I63441Cerebral infarction due to embolism of right cerebellar artery
I63442Cerebral infarction due to embolism of left cerebellar artery
I63443Cerebral infarction due to embolism of bilateral cerebellar arteries
I63449Cerebral infarction due to embolism of unspecified cerebellar artery
I6349Cerebral infarction due to embolism of other cerebral artery
I6350Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery
I63511Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
I63512Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery
I63513Cerebral infarction due to unspecified occlusion or stenosis of bilateral middle cerebral arteries
I63519Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery
I63521Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
I63522Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery
I63523Cerebral infarction due to unspecified occlusion or stenosis of bilateral anterior cerebral arteries
I63529Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery
I63531Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery
I63532Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery
I63533Cerebral infarction due to unspecified occlusion or stenosis of bilateral posterior cerebral arteries
I63539Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery
I63541Cerebral infarction due to unspecified occlusion or stenosis of right cerebellar artery
I63542Cerebral infarction due to unspecified occlusion or stenosis of left cerebellar artery
I63543Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries
I63549Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery
I6359Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery
I636Cerebral infarction due to cerebral venous thrombosis, nonpyogenic
I6381Other cerebral infarction due to occlusion or stenosis of small artery
I6389Other cerebral infarction
I639Cerebral infarction, unspecified
I670Dissection of cerebral arteries, nonruptured
I6783Posterior reversible encephalopathy syndrome
I7100Dissection of unspecified site of aorta
I71010Dissection of ascending aorta
I71011Dissection of aortic arch
I71012Dissection of descending thoracic aorta
I71019Dissection of thoracic aorta, unspecified
I7102Dissection of abdominal aorta
I7103Dissection of thoracoabdominal aorta
I7110Thoracic aortic aneurysm, ruptured, unspecified
I7111Aneurysm of the ascending aorta, ruptured
I7112Aneurysm of the aortic arch, ruptured
I7113Aneurysm of the descending thoracic aorta, ruptured
I7130Abdominal aortic aneurysm, ruptured, unspecified
I7131Pararenal abdominal aortic aneurysm, ruptured
I7132Juxtarenal abdominal aortic aneurysm, ruptured
I7133Infrarenal abdominal aortic aneurysm, ruptured
I7150Thoracoabdominal aortic aneurysm, ruptured, unspecified
I7151Supraceliac aneurysm of the thoracoabdominal aorta, ruptured
I7152Paravisceral aneurysm of the thoracoabdominal aorta, ruptured
I718Aortic aneurysm of unspecified site, ruptured
I7401Saddle embolus of abdominal aorta
I7770Dissection of unspecified artery
I7771Dissection of carotid artery
I7772Dissection of iliac artery
I7773Dissection of renal artery
I7774Dissection of vertebral artery
I7775Dissection of other precerebral arteries
I7776Dissection of artery of upper extremity
I7777Dissection of artery of lower extremity
I7779Dissection of other specified artery
I81Portal vein thrombosis
I820Budd-Chiari syndrome
I82220Acute embolism and thrombosis of inferior vena cava
I82221Chronic embolism and thrombosis of inferior vena cava
I8501Esophageal varices with bleeding
I8511Secondary esophageal varices with bleeding
J0411Acute tracheitis with obstruction
J0431Supraglottitis, unspecified, with obstruction
J0511Acute epiglottitis with obstruction
J09X1Influenza due to identified novel influenza A virus with pneumonia
J1000Influenza due to other identified influenza virus with unspecified type of pneumonia
J1001Influenza due to other identified influenza virus with the same other identified influenza virus pneumonia
J1008Influenza due to other identified influenza virus with other specified pneumonia
J1100Influenza due to unidentified influenza virus with unspecified type of pneumonia
J1108Influenza due to unidentified influenza virus with specified pneumonia
J120Adenoviral pneumonia
J121Respiratory syncytial virus pneumonia
J122Parainfluenza virus pneumonia
J123Human metapneumovirus pneumonia
J1281Pneumonia due to SARS-associated coronavirus
J1282Pneumonia due to coronavirus disease 2019
J1289Other viral pneumonia
J129Viral pneumonia, unspecified
J13Pneumonia due to Streptococcus pneumoniae
J14Pneumonia due to Hemophilus influenzae
J150Pneumonia due to Klebsiella pneumoniae
J151Pneumonia due to Pseudomonas
J1520Pneumonia due to staphylococcus, unspecified
J15211Pneumonia due to Methicillin susceptible Staphylococcus aureus
J15212Pneumonia due to Methicillin resistant Staphylococcus aureus
J1529Pneumonia due to other staphylococcus
J153Pneumonia due to streptococcus, group B
J154Pneumonia due to other streptococci
J155Pneumonia due to Escherichia coli
J1561Pneumonia due to Acinetobacter baumannii
J1569Pneumonia due to other Gram-negative bacteria
J157Pneumonia due to Mycoplasma pneumoniae
J158Pneumonia due to other specified bacteria
J159Unspecified bacterial pneumonia
J160Chlamydial pneumonia
J168Pneumonia due to other specified infectious organisms
J17Pneumonia in diseases classified elsewhere
J180Bronchopneumonia, unspecified organism
J181Lobar pneumonia, unspecified organism
J188Other pneumonia, unspecified organism
J189Pneumonia, unspecified organism
J681Pulmonary edema due to chemicals, gases, fumes and vapors
J690Pneumonitis due to inhalation of food and vomit
J691Pneumonitis due to inhalation of oils and essences
J698Pneumonitis due to inhalation of other solids and liquids
J80Acute respiratory distress syndrome
J810Acute pulmonary edema
J8481Lymphangioleiomyomatosis
J8483Surfactant mutations of the lung
J84841Neuroendocrine cell hyperplasia of infancy
J84842Pulmonary interstitial glycogenosis
J84843Alveolar capillary dysplasia with vein misalignment
J84848Other interstitial lung diseases of childhood
J850Gangrene and necrosis of lung
J851Abscess of lung with pneumonia
J852Abscess of lung without pneumonia
J853Abscess of mediastinum
J860Pyothorax with fistula
J869Pyothorax without fistula
J930Spontaneous tension pneumothorax
J951Acute pulmonary insufficiency following thoracic surgery
J952Acute pulmonary insufficiency following nonthoracic surgery
J953Chronic pulmonary insufficiency following surgery
J95821Acute postprocedural respiratory failure
J95822Acute and chronic postprocedural respiratory failure
J9600Acute respiratory failure, unspecified whether with hypoxia or hypercapnia
J9601Acute respiratory failure with hypoxia
J9602Acute respiratory failure with hypercapnia
J9620Acute and chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
J9621Acute and chronic respiratory failure with hypoxia
J9622Acute and chronic respiratory failure with hypercapnia
J9690Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia
J9691Respiratory failure, unspecified with hypoxia
J9692Respiratory failure, unspecified with hypercapnia
J9851Mediastinitis
J9859Other diseases of mediastinum, not elsewhere classified
K2081Other esophagitis with bleeding
K2091Esophagitis, unspecified with bleeding
K2101Gastro-esophageal reflux disease with esophagitis, with bleeding
K2211Ulcer of esophagus with bleeding
K223Perforation of esophagus
K226Gastro-esophageal laceration-hemorrhage syndrome
K250Acute gastric ulcer with hemorrhage
K251Acute gastric ulcer with perforation
K252Acute gastric ulcer with both hemorrhage and perforation
K254Chronic or unspecified gastric ulcer with hemorrhage
K255Chronic or unspecified gastric ulcer with perforation
K256Chronic or unspecified gastric ulcer with both hemorrhage and perforation
K260Acute duodenal ulcer with hemorrhage
K261Acute duodenal ulcer with perforation
K262Acute duodenal ulcer with both hemorrhage and perforation
K264Chronic or unspecified duodenal ulcer with hemorrhage
K265Chronic or unspecified duodenal ulcer with perforation
K266Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
K270Acute peptic ulcer, site unspecified, with hemorrhage
K271Acute peptic ulcer, site unspecified, with perforation
K272Acute peptic ulcer, site unspecified, with both hemorrhage and perforation
K274Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage
K275Chronic or unspecified peptic ulcer, site unspecified, with perforation
K276Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation
K280Acute gastrojejunal ulcer with hemorrhage
K281Acute gastrojejunal ulcer with perforation
K282Acute gastrojejunal ulcer with both hemorrhage and perforation
K284Chronic or unspecified gastrojejunal ulcer with hemorrhage
K285Chronic or unspecified gastrojejunal ulcer with perforation
K286Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
K2901Acute gastritis with bleeding
K2921Alcoholic gastritis with bleeding
K2931Chronic superficial gastritis with bleeding
K2941Chronic atrophic gastritis with bleeding
K2951Unspecified chronic gastritis with bleeding
K2961Other gastritis with bleeding
K2971Gastritis, unspecified, with bleeding
K2981Duodenitis with bleeding
K2991Gastroduodenitis, unspecified, with bleeding
K31811Angiodysplasia of stomach and duodenum with bleeding
K3182Dieulafoy lesion (hemorrhagic) of stomach and duodenum
K35210Acute appendicitis with generalized peritonitis, without perforation, with abscess
K35211Acute appendicitis with generalized peritonitis, with perforation and abscess
K35219Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
K3532Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
K3533Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
K4010Bilateral inguinal hernia, with gangrene, not specified as recurrent
K4011Bilateral inguinal hernia, with gangrene, recurrent
K4040Unilateral inguinal hernia, with gangrene, not specified as recurrent
K4041Unilateral inguinal hernia, with gangrene, recurrent
K4110Bilateral femoral hernia, with gangrene, not specified as recurrent
K4111Bilateral femoral hernia, with gangrene, recurrent
K4140Unilateral femoral hernia, with gangrene, not specified as recurrent
K4141Unilateral femoral hernia, with gangrene, recurrent
K421Umbilical hernia with gangrene
K431Incisional hernia with gangrene
K434Parastomal hernia with gangrene
K437Other and unspecified ventral hernia with gangrene
K441Diaphragmatic hernia with gangrene
K451Other specified abdominal hernia with gangrene
K461Unspecified abdominal hernia with gangrene
K55011Focal (segmental) acute (reversible) ischemia of small intestine
K55012Diffuse acute (reversible) ischemia of small intestine
K55019Acute (reversible) ischemia of small intestine, extent unspecified
K55021Focal (segmental) acute infarction of small intestine
K55022Diffuse acute infarction of small intestine
K55029Acute infarction of small intestine, extent unspecified
K55031Focal (segmental) acute (reversible) ischemia of large intestine
K55032Diffuse acute (reversible) ischemia of large intestine
K55039Acute (reversible) ischemia of large intestine, extent unspecified
K55041Focal (segmental) acute infarction of large intestine
K55042Diffuse acute infarction of large intestine
K55049Acute infarction of large intestine, extent unspecified
K55051Focal (segmental) acute (reversible) ischemia of intestine, part unspecified
K55052Diffuse acute (reversible) ischemia of intestine, part unspecified
K55059Acute (reversible) ischemia of intestine, part and extent unspecified
K55061Focal (segmental) acute infarction of intestine, part unspecified
K55062Diffuse acute infarction of intestine, part unspecified
K55069Acute infarction of intestine, part and extent unspecified
K5521Angiodysplasia of colon with hemorrhage
K5530Necrotizing enterocolitis, unspecified
K5531Stage 1 necrotizing enterocolitis
K5532Stage 2 necrotizing enterocolitis
K5533Stage 3 necrotizing enterocolitis
K562Volvulus
K5701Diverticulitis of small intestine with perforation and abscess with bleeding
K5711Diverticulosis of small intestine without perforation or abscess with bleeding
K5713Diverticulitis of small intestine without perforation or abscess with bleeding
K5721Diverticulitis of large intestine with perforation and abscess with bleeding
K5731Diverticulosis of large intestine without perforation or abscess with bleeding
K5733Diverticulitis of large intestine without perforation or abscess with bleeding
K5741Diverticulitis of both small and large intestine with perforation and abscess with bleeding
K5751Diverticulosis of both small and large intestine without perforation or abscess with bleeding
K5753Diverticulitis of both small and large intestine without perforation or abscess with bleeding
K5781Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
K5791Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
K5793Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
K631Perforation of intestine (nontraumatic)
K6381Dieulafoy lesion of intestine
K650Generalized (acute) peritonitis
K651Peritoneal abscess
K652Spontaneous bacterial peritonitis
K653Choleperitonitis
K658Other peritonitis
K659Peritonitis, unspecified
K661Hemoperitoneum
K67Disorders of peritoneum in infectious diseases classified elsewhere
K6812Psoas muscle abscess
K6819Other retroperitoneal abscess
K682Retroperitoneal fibrosis
K683Retroperitoneal hematoma
K689Other disorders of retroperitoneum
K7041Alcoholic hepatic failure with coma
K7111Toxic liver disease with hepatic necrosis, with coma
K7200Acute and subacute hepatic failure without coma
K7201Acute and subacute hepatic failure with coma
K7211Chronic hepatic failure with coma
K7291Hepatic failure, unspecified with coma
K750Abscess of liver
K751Phlebitis of portal vein
K762Central hemorrhagic necrosis of liver
K763Infarction of liver
K767Hepatorenal syndrome
K8067Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction
K822Perforation of gallbladder
K831Obstruction of bile duct
K832Perforation of bile duct
K8500Idiopathic acute pancreatitis without necrosis or infection
K8501Idiopathic acute pancreatitis with uninfected necrosis
K8502Idiopathic acute pancreatitis with infected necrosis
K8510Biliary acute pancreatitis without necrosis or infection
K8511Biliary acute pancreatitis with uninfected necrosis
K8512Biliary acute pancreatitis with infected necrosis
K8520Alcohol induced acute pancreatitis without necrosis or infection
K8521Alcohol induced acute pancreatitis with uninfected necrosis
K8522Alcohol induced acute pancreatitis with infected necrosis
K8530Drug induced acute pancreatitis without necrosis or infection
K8531Drug induced acute pancreatitis with uninfected necrosis
K8532Drug induced acute pancreatitis with infected necrosis
K8580Other acute pancreatitis without necrosis or infection
K8581Other acute pancreatitis with uninfected necrosis
K8582Other acute pancreatitis with infected necrosis
K8590Acute pancreatitis without necrosis or infection, unspecified
K8591Acute pancreatitis with uninfected necrosis, unspecified
K8592Acute pancreatitis with infected necrosis, unspecified
L89003Pressure ulcer of unspecified elbow, stage 3
L89004Pressure ulcer of unspecified elbow, stage 4
L89013Pressure ulcer of right elbow, stage 3
L89014Pressure ulcer of right elbow, stage 4
L89023Pressure ulcer of left elbow, stage 3
L89024Pressure ulcer of left elbow, stage 4
L89103Pressure ulcer of unspecified part of back, stage 3
L89104Pressure ulcer of unspecified part of back, stage 4
L89113Pressure ulcer of right upper back, stage 3
L89114Pressure ulcer of right upper back, stage 4
L89123Pressure ulcer of left upper back, stage 3
L89124Pressure ulcer of left upper back, stage 4
L89133Pressure ulcer of right lower back, stage 3
L89134Pressure ulcer of right lower back, stage 4
L89143Pressure ulcer of left lower back, stage 3
L89144Pressure ulcer of left lower back, stage 4
L89153Pressure ulcer of sacral region, stage 3
L89154Pressure ulcer of sacral region, stage 4
L89203Pressure ulcer of unspecified hip, stage 3
L89204Pressure ulcer of unspecified hip, stage 4
L89213Pressure ulcer of right hip, stage 3
L89214Pressure ulcer of right hip, stage 4
L89223Pressure ulcer of left hip, stage 3
L89224Pressure ulcer of left hip, stage 4
L89303Pressure ulcer of unspecified buttock, stage 3
L89304Pressure ulcer of unspecified buttock, stage 4
L89313Pressure ulcer of right buttock, stage 3
L89314Pressure ulcer of right buttock, stage 4
L89323Pressure ulcer of left buttock, stage 3
L89324Pressure ulcer of left buttock, stage 4
L8943Pressure ulcer of contiguous site of back, buttock and hip, stage 3
L8944Pressure ulcer of contiguous site of back, buttock and hip, stage 4
L89503Pressure ulcer of unspecified ankle, stage 3
L89504Pressure ulcer of unspecified ankle, stage 4
L89513Pressure ulcer of right ankle, stage 3
L89514Pressure ulcer of right ankle, stage 4
L89523Pressure ulcer of left ankle, stage 3
L89524Pressure ulcer of left ankle, stage 4
L89603Pressure ulcer of unspecified heel, stage 3
L89604Pressure ulcer of unspecified heel, stage 4
L89613Pressure ulcer of right heel, stage 3
L89614Pressure ulcer of right heel, stage 4
L89623Pressure ulcer of left heel, stage 3
L89624Pressure ulcer of left heel, stage 4
L89813Pressure ulcer of head, stage 3
L89814Pressure ulcer of head, stage 4
L89893Pressure ulcer of other site, stage 3
L89894Pressure ulcer of other site, stage 4
L8993Pressure ulcer of unspecified site, stage 3
L8994Pressure ulcer of unspecified site, stage 4
M3110Thrombotic microangiopathy, unspecified
M3111Hematopoietic stem cell transplantation-associated thrombotic microangiopathy [HSCT-TMA]
M3119Other thrombotic microangiopathy
M726Necrotizing fasciitis
M96A4Flail chest associated with chest compression and cardiopulmonary resuscitation
N000Acute nephritic syndrome with minor glomerular abnormality
N001Acute nephritic syndrome with focal and segmental glomerular lesions
N002Acute nephritic syndrome with diffuse membranous glomerulonephritis
N003Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N004Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N005Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N006Acute nephritic syndrome with dense deposit disease
N007Acute nephritic syndrome with diffuse crescentic glomerulonephritis
N008Acute nephritic syndrome with other morphologic changes
N009Acute nephritic syndrome with unspecified morphologic changes
N00AAcute nephritic syndrome with C3 glomerulonephritis
N010Rapidly progressive nephritic syndrome with minor glomerular abnormality
N011Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions
N012Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis
N013Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N014Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N015Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N016Rapidly progressive nephritic syndrome with dense deposit disease



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