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K51.90
Billable

Ulcerative colitis, unspecified, without complications

Chapter 11: Diseases of the digestive system

Billable Code

K51.90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Referenced in Diagnoses

Conditions that use this ICD-10 code in their documentation

View documentation for history of colitis
history of colitis
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Personal History of Colitis

View documentation for history of ulcerative colitis
history of ulcerative colitis
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History of Ulcerative Colitis

View documentation for inflammatory bowel disease
inflammatory bowel disease
View Templates

Inflammatory Bowel Disease

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Excludes1

1 item

From K51:

  • Crohn's disease [regional enteritis] (K50.-)

Excludes2

8 items

From K00-K95:

  • 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)

Use Additional Code

6 items

From K51:

  • code to identify any associated fistulas, if applicable:
  • anal fistula (K60.3-)
  • anorectal fistula (K60.5-)
  • rectal fistula (K60.4-)
  • code to identify manifestations, such as:
  • pyoderma gangrenosum (L88)
Ask about any ICD-10 CM code, or paste a medical note

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