Q85.82 — Other Cowden syndrome
Q85.82 is a billable, specific ICD-10-CM code for other cowden syndrome. It is valid for submission on a claim.
Risk adjustment
Q85.82 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
Q85.82 is named in 12 Medicare coverage policies — 12 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
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
- A56461Billing and Coding: Endoscopy by Capsule
- A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
How Q85.82 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 Q85.82.
- Syndrome›Cowden›specified NEC
Related codes at this level
Codes that share Q85.8. If Q85.82 is not quite right, the correct code is usually one of these.
Questions about Q85.82
- Is Q85.82 a billable ICD-10-CM code?
- Yes. Q85.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q85.82 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).