Z03.7 vs Z36
Z03.7 (Encounter for suspected maternal and fetal conditions ruled out) compared with Z36 (Encounter for antenatal screening of mother), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
Yes, when both are documented. Z03.7 carries an Excludes2 note covering Z36: “examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
No — do not report together. Z36 carries an Excludes1 note covering Z03.7: “encounter for suspected maternal and fetal conditions ruled out (Z03.7-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| Z03.7Encounter for suspected maternal and fetal conditions ruled out | Z36Encounter for antenatal screening of mother | |
|---|---|---|
| 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 suspected maternal and fetal conditions ruled out is a non-billable ICD-10-CM category code (Z03.7). | Encounter for antenatal screening of mother is a non-billable ICD-10-CM category code (Z36). |
| Includes | Encounter for suspected maternal and fetal conditions not found | 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