Q89.4
Q89.4: Conjoined twins
Billable / specific codeICD-10-CMPOA exempt
Q89.4 is a billable, specific ICD-10-CM code for conjoined twins. It is valid for submission on a claim.
Check Q89.4 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Craniopagus
- Dicephaly
- Pygopagus
- Thoracopagus
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Conjoined twins
- Craniopagus
- Dicephalus, dicephaly
- Epignathus
- Ischiopagus
- Janiceps
- Pygopagus
- Siamese twin
- Sternopagus
- Syncephalus
- Thoracopagus
- Xiphopagus
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under Q89
- Q89.0Congenital absence and malformations of spleen
- Q89.1Congenital malformations of adrenal gland
- Q89.2Congenital malformations of other endocrine glands
- Q89.3Situs inversus
- Q89.7Multiple congenital malformations, not elsewhere classified
- Q89.8Other specified congenital malformations
- Q89.9Congenital malformation, unspecified