K55
Vascular disorders of intestine
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K55 is a non-billable ICD-10-CM code category for 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 K55.0 Acute vascular disorders of intestine, K55.1 Chronic vascular disorders of intestine, K55.2 Angiodysplasia of colon, K55.3 Necrotizing enterocolitis 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.
This code
- necrotizing enterocolitis of newborn (P77.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
This code
- angioectasia (angiodysplasia) duodenum (K31.81-)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
- 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)