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Q85.03

Q85.03Schwannomatosis

Billable / specific codeICD-10-CMPOA exempt

Q85.03 is a billable, specific ICD-10-CM code for schwannomatosis. It is valid for submission on a claim.

Risk adjustment

Q85.03 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 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

Q85.03 is named in 32 Medicare coverage policies 32 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56464Billing and Coding: Flow Cytometry

How Q85.03 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 Q85.03.

  • Schwannomatosis

Related codes at this level

Codes that share Q85.0. If Q85.03 is not quite right, the correct code is usually one of these.

Questions about Q85.03

Is Q85.03 a billable ICD-10-CM code?
Yes. Q85.03 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q85.03 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).
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.