E31.20 — Multiple endocrine neoplasia [MEN] syndrome, unspecified
E31.20 is a billable, specific ICD-10-CM code for multiple endocrine neoplasia [men] syndrome, unspecified. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Multiple endocrine adenomatosis NOS
- Multiple endocrine neoplasia [MEN] syndrome NOS
Risk adjustment
E31.20 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 51 Addison's and Cushing's Diseases, Acromegaly, and Other Specified Endocrine Disorders0.510 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
E31.20 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A58801Billing and Coding: Pharmacogenomics Testing
- A58812Billing and Coding: Pharmacogenomics Testing
- A59915Billing and Coding: Pharmacogenomic Testing
How E31.20 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 E31.20.
- Adenomatosis›endocrine(multiple)
- Neoplasia›endocrine, multiple(MEN)
Related codes at this level
Codes that share E31.2. If E31.20 is not quite right, the correct code is usually one of these.
Questions about E31.20
- Is E31.20 a billable ICD-10-CM code?
- Yes. E31.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E31.20 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of other endocrine glands (E20-E35).