Acute (reversible) ischemia of small intestine, extent unspecified

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2017 onwards.

What has happened to this code

Every change the publisher made, from 2017 to now.

FY2017 Added to the code set Acute (reversible) ischemia of small intestine, extent unspecified

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from K55 Vascular disorders of intestine

Excludes1 - never coded here

necrotizing enterocolitis of newborn (P77.-)

Excludes2 - not included here

angioectasia (angiodysplasia) duodenum (K31.81-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Pancolitis
Gastroenteropathy
Embolism > intestine
Embolism > mesenteric
Enteritis > fulminant
Colitis > ischemic > acute
Colitis > subacute ischemic
Colitis > thromboulcerative
Enterocolitis > hemorrhagic
Enteritis > ischemic > acute
Narrowing > mesenteric artery
Colitis > ischemic > fulminant
Embolism > artery > mesenteric
Enterocolitis > fulminant ischemic
Ischemia, ischemic > bowel > acute
Enteropathy > hemorrhagic, terminal
Disease, diseased > colon > ischemic
Disease, diseased > mesenteric embolic
Ischemia, ischemic > mesenteric, acute
Insufficiency, insufficient > vascular > intestine > acute
Enteritis > fulminant
Enteritis > ischemic > acute
Ischemia, ischemic > small bowel > acute
Ischemia, ischemic > intestine > acute > small

Codes in the same group

Code	Description	Status
K55.011	Focal (segmental) acute (reversible) ischemia of small intestine	Valid
K55.012	Diffuse acute (reversible) ischemia of small intestine	Valid