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R11.13

R11.13Vomiting of fecal matter

Billable / specific codeICD-10-CM

R11.13 is a billable, specific ICD-10-CM code for vomiting of fecal matter. It is valid for submission on a claim.

Risk adjustment

R11.13 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R11.13 is named in 7 Medicare coverage policies 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

How R11.13 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 R11.13.

  • Vomitingfecal matter

Related codes at this level

Codes that share R11.1. If R11.13 is not quite right, the correct code is usually one of these.

Questions about R11.13

Is R11.13 a billable ICD-10-CM code?
Yes. R11.13 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R11.13 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the digestive system and abdomen (R10-R19).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.