K51.8 is the authoritative medical code for Other ulcerative colitis. This classification is used in medical billing and clinical recording to specify the clinical criteria for other ulcerative colitis (ICD-10-CM K51.8), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other ulcerative colitis is a non-billable ICD-10-CM category code K51.8. A more specific billable subcode must be selected for claims submission. Includes: noninfective inflammatory bowel disease. Excludes1 (not coded here): Crohn's disease regional enteritis; irritable bowel syndrome K58.-; megacolon K59.3-. Use additional code: 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K51.8 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- noninfective inflammatory bowel disease
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- Crohn's disease regional enteritis
- irritable bowel syndrome K58.-
- megacolon K59.3-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
Can K51.8 be billed directly?
No. K51.8 (Other ulcerative colitis) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with K51.8?
Per official ICD-10-CM Excludes1 instructions, K51.8 must not be reported together with: Crohn's disease [regional enteritis] (K50.-); irritable bowel syndrome (K58.-); megacolon (K59.3-).
Is an additional code needed with K51.8?
Use additional code(s) to specify: code to identify any associated fistulas, if applicable:; anal fistula (K60.3-); anorectal fistula (K60.5-); rectal fistula (K60.4-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to K51.8 in its code family, with their registry titles.
- K51.80 — Other ulcerative colitis without complications
- K51.81 — Other ulcerative colitis with complications
- K51.811 — Other ulcerative colitis with rectal bleeding
- K51.812 — Other ulcerative colitis with intestinal obstruction
- K51.813 — Other ulcerative colitis with fistula
- K51.814 — Other ulcerative colitis with abscess
- K51.818 — Other ulcerative colitis with other complication
- K51.819 — Other ulcerative colitis with unspecified complications