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ICD-10-CM Current in FY 2027

E31.20

Multiple endocrine neoplasia [MEN] syndrome, unspecified

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where E31.20 sits in the official hierarchy. Each level is the code it is classified under.

  1. E31 Polyglandular dysfunction
  2. E31.2 Parent Multiple endocrine neoplasia [MEN] syndromes
  3. E31.20 This code Multiple endocrine neoplasia [MEN] syndrome, unspecified

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Multiple endocrine adenomatosis NOS

Inclusion Terms

Multiple endocrine neoplasia [MEN] syndrome NOS

Excludes1

ataxia telangiectasia [Louis-Bar] ( G11.3 )

Inherited from E31 — Polyglandular dysfunction

Excludes1

dystrophia myotonica [Steinert] ( G71.11 )

Inherited from E31 — Polyglandular dysfunction

Excludes1

pseudohypoparathyroidism ( E20.1 )

Inherited from E31 — Polyglandular dysfunction

Code Also

any associated malignancies and other conditions associated with the syndromes

Inherited from E31.2 — Multiple endocrine neoplasia [MEN] syndromes

Version History

How E31.20 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Multiple endocrine neoplasia [MEN] syndrome, unspecified

  2. FY 2026 Effective

    Unchanged

    Multiple endocrine neoplasia [MEN] syndrome, unspecified

Related Codes

Other codes under E31.2

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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