Where used:
| Data Set | National Neonatal Data Set - Episodic and Daily Care | references in description ZYGOSITY STATUS |
| Data Element | ZYGOSITY STATUS | references in description ZYGOSITY STATUS |
| Data Set | National Neonatal Data Set - Episodic and Daily Care | references in description ZYGOSITY STATUS |
| Data Element | ZYGOSITY STATUS | references in description ZYGOSITY STATUS |