Z12 vs Z39
Z12 (Encounter for screening for malignant neoplasms) compared with Z39 (Encounter for maternal postpartum care and examination), 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 carries an Excludes2 note covering Z39: “examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z12Encounter for screening for malignant neoplasms | Z39Encounter for maternal postpartum care and examination | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 malignant neoplasms is a non-billable ICD-10-CM category code (Z12). | Encounter for maternal postpartum care and examination is a non-billable ICD-10-CM category code (Z39). |
| Includes | Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease. | — |
| 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