Acute vascular disorders of intestine

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 only, and a category header from FY2017.

Submit one of these 6 more specific codes instead:

K55.01 Acute (reversible) ischemia of small intestine (also a header)
K55.02 Acute infarction of small intestine (also a header)
K55.03 Acute (reversible) ischemia of large intestine (also a header)
K55.04 Acute infarction of large intestine (also a header)
K55.05 Acute (reversible) ischemia of intestine, part unspecified (also a header)
K55.06 Acute infarction of intestine, part unspecified (also a header)

Use instead:

K55.011 Focal (segmental) acute (reversible) ischemia of small intestine stated for FY2016
K55.012 Diffuse acute (reversible) ischemia of small intestine stated for FY2016
K55.019 Acute (reversible) ischemia of small intestine, extent unspecified stated for FY2016
K55.021 Focal (segmental) acute infarction of small intestine stated for FY2016
K55.022 Diffuse acute infarction of small intestine stated for FY2016
K55.029 Acute infarction of small intestine, extent unspecified stated for FY2016
K55.031 Focal (segmental) acute (reversible) ischemia of large intestine stated for FY2016
K55.032 Diffuse acute (reversible) ischemia of large intestine stated for FY2016
K55.039 Acute (reversible) ischemia of large intestine, extent unspecified stated for FY2016
K55.041 Focal (segmental) acute infarction of large intestine stated for FY2016
K55.042 Diffuse acute infarction of large intestine stated for FY2016
K55.049 Acute infarction of large intestine, extent unspecified stated for FY2016
K55.051 Focal (segmental) acute (reversible) ischemia of intestine, part unspecified stated for FY2016
K55.052 Diffuse acute (reversible) ischemia of intestine, part unspecified stated for FY2016
K55.059 Acute (reversible) ischemia of intestine, part and extent unspecified stated for FY2016
K55.061 Focal (segmental) acute infarction of intestine, part unspecified stated for FY2016
K55.062 Diffuse acute infarction of intestine, part unspecified stated for FY2016
K55.069 Acute infarction of intestine, part and extent unspecified stated for FY2016

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Acute vascular disorders of intestine
FY2017 Stopped being billable

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.

Thrombosis, thrombotic > mesenteric > vein

Codes in the same group

Code	Description	Status
K55.1	Chronic vascular disorders of intestine	Valid
K55.2	Angiodysplasia of colon	Not billable
K55.3	Necrotizing enterocolitis	Not billable
K55.8	Other vascular disorders of intestine	Valid
K55.9	Vascular disorder of intestine, unspecified	Valid