ZYGOSITY STATUS

The CLINICAL INVESTIGATION RESULT ITEM for the zygosity status for the baby (the degree to which both copies of a chromosome or gene have the same genetic sequence).

Format / Length

an1

National Codes

Code Description
1 Monozygotic
2 Dizygotic
8 Other (in cases of triplets or more)

Default Codes

Code Description
9 Zygosity status not known