2017/18 ICD-10-CM Diagnosis Code K55.1

Chronic vascular disorders of intestine

Applicable To
  • Chronic ischemic colitis
  • Chronic ischemic enteritis
  • Chronic ischemic enterocolitis
  • Ischemic stricture of intestine
  • Mesenteric atherosclerosis
  • Mesenteric vascular insufficiency
The following code(s) above K55.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K55.1:
  • K00-K95
    2018 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • 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)
    Diseases of the digestive system
  • K55
    ICD-10-CM Diagnosis Code K55

    Vascular disorders of intestine

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • necrotizing enterocolitis of newborn (P77.-)
    Vascular disorders of intestine
Approximate Synonyms ICD-10-CM K55.1 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert K55.1 to ICD-9-CM

Code History
Code annotations containing back-references to K55.1:

Diagnosis Index entries containing back-references to K55.1:

ICD-10-CM Codes Adjacent To K55.1
K55.042 Diffuse acute infarction of large intestine
K55.049 …… extent unspecified
K55.05 Acute (reversible) ischemia of intestine, part unspecified
K55.051 Focal (segmental) acute (reversible) ischemia of intestine, part unspecified
K55.052 Diffuse acute (reversible) ischemia of intestine, part unspecified
K55.059 Acute (reversible) ischemia of intestine, part and extent unspecified
K55.06 Acute infarction of intestine, part unspecified
K55.061 Focal (segmental) acute infarction of intestine, part unspecified
K55.062 Diffuse acute infarction of intestine, part unspecified
K55.069 Acute infarction of intestine, part and extent unspecified
K55.1 Chronic vascular disorders of intestine
K55.2 Angiodysplasia of colon
K55.20 …… without hemorrhage
K55.21 …… with hemorrhage
K55.3 Necrotizing enterocolitis
K55.30 …… unspecified
K55.31 Stage 1 necrotizing enterocolitis
K55.32 Stage 2 necrotizing enterocolitis
K55.33 Stage 3 necrotizing enterocolitis
K55.8 Other vascular disorders of intestine
K55.9 Vascular disorder of intestine, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.