Z36: Encounter for antenatal screening of mother

Codes under Z36 (Encounter for antenatal screening of mother). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Z36.0	Encounter for antenatal screening for chromosomal anomalies	✓
Z36.1	Encounter for antenatal screening for raised alphafetoprotein level	✓
Z36.2	Encounter for other antenatal screening follow-up	✓
Z36.3	Encounter for antenatal screening for malformations	✓
Z36.4	Encounter for antenatal screening for fetal growth retardation	✓
Z36.5	Encounter for antenatal screening for isoimmunization	✓
Z36.8	Encounter for other antenatal screening	—
Z36.8A	Encounter for antenatal screening for other genetic defects	✓
Z36.9	Encounter for antenatal screening, unspecified	✓
Z36.81	Encounter for antenatal screening for hydrops fetalis	✓
Z36.82	Encounter for antenatal screening for nuchal translucency	✓
Z36.83	Encounter for fetal screening for congenital cardiac abnormalities	✓
Z36.84	Encounter for antenatal screening for fetal lung maturity	✓
Z36.85	Encounter for antenatal screening for Streptococcus B	✓
Z36.86	Encounter for antenatal screening for cervical length	✓
Z36.87	Encounter for antenatal screening for uncertain dates	✓
Z36.88	Encounter for antenatal screening for fetal macrosomia	✓
Z36.89	Encounter for other specified antenatal screening	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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