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K51.2 vs K62.8

K51.2 (Ulcerative (chronic) proctitis) compared with K62.8 (Other specified diseases of anus and rectum), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. K62.8 carries an Excludes2 note covering K51.2: “ulcerative proctitis (K51.2)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

K51.2Ulcerative (chronic) proctitisK62.8Other specified diseases of anus and rectum
Billing statusNon-billable header

Report instead: K51.20, K51.211, K51.212, K51.213, K51.214

Non-billable header

Report instead: K62.81, K62.82, K62.89

ClassificationK00-K95 — Diseases of the Digestive System (K00-K95)K00-K95 — Diseases of the Digestive System (K00-K95)
DefinitionUlcerative (chronic) proctitis is a non-billable ICD-10-CM category code (K51.2).Other specified diseases of anus and rectum is a non-billable ICD-10-CM category code (K62.8).
Includes
noninfective inflammatory bowel disease
anal canal
Use additional code
code to identify any associated fistulas, if applicable:
anal fistula (K60.3-)
anorectal fistula (K60.5-)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources