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