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D38.6

D38.6Neoplasm of uncertain behavior of respiratory organ, unspecified

Billable / specific codeICD-10-CM

D38.6 is a billable, specific ICD-10-CM code for neoplasm of uncertain behavior of respiratory organ, unspecified. It is valid for submission on a claim.

Risk adjustment

D38.6 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

D38.6 is named in 8 Medicare coverage policies 8 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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  • A55717Billing and Coding: Lab: Flow Cytometry
  • A57452Billing and Coding: Peripheral Nerve Blocks

Code history

D38.6 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share D38. If D38.6 is not quite right, the correct code is usually one of these.

Questions about D38.6

Is D38.6 a billable ICD-10-CM code?
Yes. D38.6 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D38.6 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.