Z78 vs Z87.890
Z78 (Other specified health status) compared with Z87.890 (Personal history of sex reassignment), 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. Z78 carries an Excludes2 note covering Z87.890: “sex reassignment status (Z87.890-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z78Other specified health status | Z87.890Personal history of sex reassignment | |
|---|---|---|
| Billing status | Non-billable header | 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 | Other specified health status is a non-billable ICD-10-CM category code (Z78). | Personal history of sex reassignment is a billable ICD-10-CM diagnosis code (Z87.890). |
| Includes | — | Personal history of gender transition |
| Code first | — | any follow-up examination after treatment (Z09) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources