Z13.1 vs Z13.29
Z13.1 (Encounter for screening for diabetes mellitus) compared with Z13.29 (Encounter for screening for other suspected endocrine disorder), 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. Z13.29 carries an Excludes2 note covering Z13.1: “encounter for screening for diabetes mellitus (Z13.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z13.1Encounter for screening for diabetes mellitus | Z13.29Encounter for screening for other suspected endocrine disorder | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Encounter for screening for diabetes mellitus is a billable ICD-10-CM diagnosis code (Z13.1). | Encounter for screening for other suspected endocrine disorder is a billable ICD-10-CM diagnosis code (Z13.29). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources