E31.2
Multiple endocrine neoplasia [MEN] syndromes
E31.2 is a non-billable ICD-10-CM code header for multiple endocrine neoplasia [MEN] syndromes. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are E31.20 Multiple endocrine neoplasia [MEN] syndrome, unspecified; E31.21 Multiple endocrine neoplasia [MEN] type I; E31.22 Multiple endocrine neoplasia [MEN] type IIA and E31.23 Multiple endocrine neoplasia [MEN] type IIB. Its coding notes include a Code also instruction and 6 Excludes1 entries.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
- any associated malignancies and other conditions associated with the syndromes
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Inclusion terms
Conditions classified to this code.
- Multiple endocrine adenomatosis
Notes
Also from chapter/block level (1 note)
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.