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D37.05

D37.05Neoplasm of uncertain behavior of pharynx

Billable / specific codeICD-10-CM

D37.05 is a billable, specific ICD-10-CM code for neoplasm of uncertain behavior of pharynx. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Neoplasm of uncertain behavior of aryepiglottic fold of pharynx NOS
  • Neoplasm of uncertain behavior of hypopharyngeal aspect of aryepiglottic fold of pharynx
  • Neoplasm of uncertain behavior of marginal zone of aryepiglottic fold of pharynx

Other codes that can never be billed with D37.05

These codes carry an Excludes1 note pointing at D37.05. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D37.05 alone.

  • D38.0Neoplasm of uncertain behavior of larynx

Risk adjustment

D37.05 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

D37.05 is named in 21 Medicare coverage policies 21 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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  • A52479Oral Anticancer Drugs - Policy Article
  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • A55717Billing and Coding: Lab: Flow Cytometry

Related codes at this level

Codes that share D37.0. If D37.05 is not quite right, the correct code is usually one of these.

Questions about D37.05

Is D37.05 a billable ICD-10-CM code?
Yes. D37.05 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D37.05 sit in the tabular list?
Neoplasms (C00-D49), in the block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48).
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.