K55.022

Diffuse acute infarction of small intestine

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC ESRD V24

HCC107

Vascular Disease with Complications

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from K55.02Acute infarction of small intestine
Synonyms

Gangrene of small intestine Necrosis of small intestine

Inherited from K55.0Acute vascular disorders of intestine
Synonyms

Infarction of appendices epiploicae Mesenteric (artery) (vein) embolism Mesenteric (artery) (vein) infarction Mesenteric (artery) (vein) thrombosis

Inherited from K55Vascular disorders of intestine
Excludes 1

necrotizing enterocolitis of newborn (P77.-)

Excludes 2

angioectasia (angiodysplasia) duodenum (K31.81-)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for K55.022

FY 2026 ›
I.C.11Chapter-specific guidanceChapter 11: Diseases of the Digestive System (K00-K95)

Find K55.022 in the alphabetic index

1 index path leads to this code