K51.8
Non-billableOther ulcerative colitis
Other ulcerative colitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- noninfective inflammatory bowel disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K51.8?
ICD-10-CM code K51.8 represents "Other ulcerative colitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is K51.8 a billable code?
No, K51.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under K51.8.
What chapter is K51.8 in?
K51.8 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K51.8?
K51.8 has Excludes1 notes indicating codes that cannot be used together with it, including: irritable bowel syndrome (K58.-); megacolon (K59.3-); Crohn's disease [regional enteritis] (K50.-).
What are the subcategories under K51.8?
K51.8 has 2 child codes, including: K51.80 (Other ulcerative colitis without complications), K51.81 (Other ulcerative colitis with complications).
Are additional codes required with K51.8?
Yes, when using K51.8 you should also code: code to identify any associated fistulas, if applicable:; anal fistula (K60.3-); anorectal fistula (K60.5-); rectal fistula (K60.4-).
What are the UMLS CUIs for K51.8?
K51.8 is linked to 1 UMLS Concept Unique Identifier: C0348737. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.