Z31.5 vs Z36
Z31.5 (Encounter for procreative genetic counseling) compared with Z36 (Encounter for antenatal screening of mother), 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. Z36 carries an Excludes2 note covering Z31.5: “genetic counseling and testing (Z31.43-, Z31.5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z31.5Encounter for procreative genetic counseling | Z36Encounter for antenatal screening of mother | |
|---|---|---|
| Billing status | Billable | 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 procreative genetic counseling is a billable ICD-10-CM diagnosis code (Z31.5). | Encounter for antenatal screening of mother is a non-billable ICD-10-CM category code (Z36). |
| Includes | — | Encounter for placental sample (taken vaginally) 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. |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources