Z11.51 vs Z12.4
Z11.51 (Encounter for screening for human papillomavirus (HPV)) compared with Z12.4 (Encounter for screening for malignant neoplasm of cervix), 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. Z12.4 carries an Excludes2 note covering Z11.51: “encounter for screening for human papillomavirus (Z11.51)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z11.51Encounter for screening for human papillomavirus (HPV) | Z12.4Encounter for screening for malignant neoplasm of cervix | |
|---|---|---|
| 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 human papillomavirus (HPV) is a billable ICD-10-CM diagnosis code (Z11.51). | Encounter for screening for malignant neoplasm of cervix is a billable ICD-10-CM diagnosis code (Z12.4). |
| Includes | — | Encounter for screening pap smear for malignant neoplasm of cervix |
| Use additional code | — | code to identify any family history of malignant neoplasm (Z80.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources