ICD-10-CM 2027
ICD-10 code for twin
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Twin (newborn)”. Page updated September 29, 2026.
About coding twin
The official ICD-10-CM index doesn't give a single default code for twin; the code depends on the details below.
More specific twin codes (official index)
- conjoined Q89.4 — Conjoined twins
- pregnancy
Common questions about twin ICD-10 codes
What is the ICD-10 code for conjoined twin?
- Q89.4 — Conjoined twins.