E31.2 vs QA1.71
E31.2 (Multiple endocrine neoplasia [MEN] syndromes) compared with QA1.71 (Lynch syndrome), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. QA1.71 carries an Excludes2 note covering E31.2: “multiple endocrine neoplasia [MEN] syndromes (E31.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| E31.2Multiple endocrine neoplasia [MEN] syndromes | QA1.71Lynch syndrome | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | ICD-10-CM |
| Definition | Multiple endocrine neoplasia [MEN] syndromes is a non-billable ICD-10-CM category code (E31.2). | — |
| Includes | Multiple endocrine adenomatosis | Hereditary nonpolyposis colorectal cancer susceptibility Lynch syndrome due to EPCAM Lynch syndrome due to MLH1 Lynch syndrome due to MSH2 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources