ICD-10-CM Alphabetic Index · FY 2026 121 Entries

Necrosis in the ICD-10-CM Index ICD-10-CM

The main term Necrosis, necrotic (ischemic) carries 121 index entries pointing to 55 ICD-10-CM codes. Every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026

121

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Codes Referenced

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ICD-10-CM

Index Entries Under Necrosis 121 entries · 55 codes

Necrosis, necrotic (ischemic)

adrenal (capsule) (gland) E27.49

amputation stump (surgical) (late) T87.50

arm T87.5 Non-billable

leg T87.5 Non-billable

antrum J32.0

aorta (hyaline) see also Aneurysm, aorta

cystic medial see Dissection, aorta

artery I77.5

bladder (aseptic) (sphincter) N32.89

bone M87.9 see also Osteonecrosis

aseptic or avascular see Osteonecrosis

idiopathic M87.00

ethmoid J32.2

jaw M27.2

tuberculous see Tuberculosis, bone

brain I67.89

breast (aseptic) (fat) (segmental) N64.1

bronchus J98.09

central nervous system NEC I67.89

cerebellar I67.89

cerebral I67.89

colon K55.049 see also Infarct, intestine

cornea H18.89 Non-billable

cortical (acute) (renal) N17.1

cystic medial (aorta) see Dissection, aorta

dental pulp K04.1

esophagus K22.89

ethmoid (bone) J32.2

eyelid see Disorder, eyelid, degenerative

fat, fatty (generalized) see also Disorder, soft tissue, specified type NEC

abdominal wall K65.4

breast (aseptic) (segmental) N64.1

localized see Degeneration, by site, fatty

mesentery K65.4

omentum K65.4

pancreas K86.89

peritoneum K65.4

skin (subcutaneous), newborn P83.0

subcutaneous, due to birth injury P15.6

gallbladder see Cholecystitis, acute

heart see Infarct, myocardium

hip, aseptic or avascular see Osteonecrosis, by type, femur

intestine (acute) (hemorrhagic) (massive) K55.069 see also Infarct, intestine

jaw M27.2

kidney (bilateral) N28.0

acute N17.9

cortical (acute) (bilateral) N17.1

with ectopic or molar pregnancy O08.4

medullary (bilateral) (in acute renal failure) (papillary) N17.2

papillary (bilateral) (in acute renal failure) N17.2

tubular N17.0

with ectopic or molar pregnancy O08.4

complicating

abortion see Abortion, by type, complicated by, tubular necrosis

ectopic or molar pregnancy O08.4

pregnancy see Pregnancy, complicated by, diseases of, specified type or system NEC

following ectopic or molar pregnancy O08.4

traumatic T79.5 Non-billable

larynx J38.7

liver (with hepatic failure) (cell) see Failure, hepatic

hemorrhagic, central K76.2

lung J85.0

lymphatic gland see Lymphadenitis, acute

mammary gland (fat) (segmental) N64.1

mastoid (chronic) see Mastoiditis, chronic

medullary (acute) (renal) N17.2

mesentery K55.069 see also Infarct, intestine

fat K65.4

mitral valve see Insufficiency, mitral

myocardium, myocardial see Infarct, myocardium

nose J34.0

omentum (with mesenteric infarction) K55.069 see also Infarct, intestine

fat K65.4

orbit, orbital see Osteomyelitis, orbit

ossicles, ear see Abnormal, ear ossicles

ovary N70.92

pancreas (aseptic) (duct) (fat) K86.89

acute (infective) see Pancreatitis, acute

infective see Pancreatitis, acute

papillary (acute) (renal) N17.2

perineum N90.89

peritoneum (with mesenteric infarction) K55.069 see also Infarct, intestine

fat K65.4

pharynx J02.9

in granulocytopenia see Neutropenia

Vincent's A69.1

phosphorus

pituitary (gland) E23.0

postpartum O99.285

Sheehan O99.285

pressure see Ulcer, pressure, by site

pulmonary J85.0

pulp (dental) K04.1

radiation see Necrosis, by site

radium see Necrosis, by site

renal see Necrosis, kidney

sclera H15.89

scrotum N50.89

skin or subcutaneous tissue NEC I96

spine, spinal (column) see also Osteonecrosis, by type, vertebra

cord G95.19

spleen D73.5

stomach K31.89

stomatitis (ulcerative) A69.0

subcutaneous fat, newborn P83.88

subendocardial (acute) I21.4

chronic I25.89

suprarenal (capsule) (gland) E27.49

testis N50.89

thymus (gland) E32.8

tonsil J35.8

trachea J39.8

tuberculous NEC see Tuberculosis

tubular (acute) (anoxic) (renal) (toxic) N17.0

postprocedural N99.0

vagina N89.8

vertebra see also Osteonecrosis, by type, vertebra

tuberculous A18.01

vulva N90.89

X-ray see Necrosis, by site

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Related Index Terms

Cholecystitis Dissection Lymphadenitis Osteonecrosis All index terms starting with N Index to Diseases and Injuries ICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.