Is K51.314 a billable ICD-10-CM code?

Yes. K51.314 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K51.314 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Noninfective enteritis and colitis (K50-K52).

K51.314

K51.314 — Ulcerative (chronic) rectosigmoiditis with abscess

Billable / specific codeICD-10-CM

K51.314 is a billable, specific ICD-10-CM code for ulcerative (chronic) rectosigmoiditis with abscess. It is valid for submission on a claim.

Other codes that can never be billed with K51.314

These codes carry an Excludes1 note pointing at K51.314. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K51.314 alone.

K63.0Abscess of intestine

Risk adjustment

K51.314 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 81 Ulcerative Colitis0.244 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

K51.314 is named in 25 Medicare coverage policies — 25 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52423Billing and Coding: Infliximab and biosimilars
A52423Billing and Coding: Infliximab and biosimilars
A55937Billing and Coding: Diagnostic Colonoscopy
A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic

How K51.314 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K51.314.

Rectosigmoiditis›ulcerative›with›complication›abscess

Related codes at this level

Codes that share K51.31. If K51.314 is not quite right, the correct code is usually one of these.

Questions about K51.314

Is K51.314 a billable ICD-10-CM code?: Yes. K51.314 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K51.314 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Noninfective enteritis and colitis (K50-K52).