E31.21
E31.21: Multiple endocrine neoplasia [MEN] type I
Billable / specific codeICD-10-CM
E31.21 is a billable, specific ICD-10-CM code for multiple endocrine neoplasia [men] type i. It is valid for submission on a claim.
Check E31.21 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Wermer's syndrome
Risk adjustment
E31.21 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
E31.21 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A59491Billing and Coding: Genetic Testing for Oncology
Alphabetic index entries that lead here
- Wermer's disease or syndrome
- Disease, diseased›Wermer's
- Syndrome›Wermer's
- Neoplasia›endocrine, multiple›type I
Code history
Unchanged in every release from FY2024 to FY2027.