ICD-10-CM › E00-E89 › E20-E35 › E31.2 Multiple endocrine neoplasia [MEN]... › E31.20
Multiple endocrine neoplasia [MEN] syndrome, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Multiple endocrine neoplasia [MEN] syndrome, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from E31 Polyglandular dysfunction
Excludes1 - never coded here
- ataxia telangiectasia [Louis-Bar] (G11.3)
- dystrophia myotonica [Steinert] (G71.11)
- pseudohypoparathyroidism (E20.1)
Inherited from the E20-E35 section Disorders of other endocrine glands (E20-E35)
Excludes1 - never coded here
- galactorrhea (N64.3)
- gynecomastia (N62)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Syndrome > multiple endocrine neoplasia
- Multiple, multiplex > endocrine neoplasia
- Adenomatosis > endocrine
- Neoplasia > endocrine, multiple
Codes in the same group
| Code | Description | Status |
|---|---|---|
| E31.21 | Multiple endocrine neoplasia [MEN] type I | Valid |
| E31.22 | Multiple endocrine neoplasia [MEN] type IIA | Valid |
| E31.23 | Multiple endocrine neoplasia [MEN] type IIB | Valid |