E31.23
Billable codeMultiple endocrine neoplasia [MEN] type IIB
The ICD-10 code for multiple endocrine neoplasia [men] type iib is E31.23.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E31.20Multiple endocrine neoplasia [MEN] syndrome, unspecified
- E31.21Multiple endocrine neoplasia [MEN] type I
- E31.22Multiple endocrine neoplasia [MEN] type IIA
- E31.23Multiple endocrine neoplasia [MEN] type IIB
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 25803
Associated MS-DRGs
E31.23 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.