MCMCB Pro
B37.81

B37.81Candidal esophagitis

Billable / specific codeICD-10-CM

B37.81 is a billable, specific ICD-10-CM code for candidal esophagitis. It is valid for submission on a claim.

Risk adjustment

B37.81 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 6 Opportunistic Infections0.381 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

B37.81 is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
  • A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)
  • A58801Billing and Coding: Pharmacogenomics Testing

How B37.81 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 B37.81.

  • Candidiasis, candidalesophagitis
  • Esophagitiscandidal

Related codes at this level

Codes that share B37.8. If B37.81 is not quite right, the correct code is usually one of these.

Questions about B37.81

Is B37.81 a billable ICD-10-CM code?
Yes. B37.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does B37.81 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).
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.