K55.0
Acute vascular disorders of intestine
K55.0 is a non-billable ICD-10-CM code header for acute vascular disorders of intestine. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K55.01 Acute (reversible) ischemia of small intestine, K55.02 Acute infarction of small intestine, K55.03 Acute (reversible) ischemia of large intestine, K55.04 Acute infarction of large intestine and 2 more. Its coding notes include 1 Excludes1 entry and 9 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
Inclusion terms
Conditions classified to this code.
- Infarction of appendices epiploicae
- Mesenteric (artery) (vein) embolism
- Mesenteric (artery) (vein) infarction
- Mesenteric (artery) (vein) thrombosis
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 1 entry
More specific codes under K55.0 6
- K55.01Acute (reversible) ischemia of small intestineHeader
- K55.02Acute infarction of small intestineHeader
- K55.03Acute (reversible) ischemia of large intestineHeader
- K55.04Acute infarction of large intestineHeader
- K55.05Acute (reversible) ischemia of intestine, part unspecifiedHeader
- K55.06Acute infarction of intestine, part unspecifiedHeader