Q89.4 Conjoined twins

Instructional Notes:

Q89.4
Description: Conjoined twins
Inclusion Term:
- Craniopagus
- Dicephaly
- Pygopagus
- Thoracopagus
↓
Q89
Description: Other congenital malformations, not elsewhere classified
↓
Q80-Q89
Description: Other congenital malformations (Q80-Q89)
↓
Q00-Q99
Description: Congenital malformations, deformations and chromosomal abnormalities
Exclude2:
- inborn errors of metabolism (E70-E88)
Notes:
- Codes from this chapter are not for use on maternal records