ICD-10-CM 2027
ICD-10 code for toes fusion
From the official ICD-10-CM alphabetic index entry “Fusion, fused (congenital) › toes”. Page updated September 29, 2026.
About coding toes fusion
The ICD-10-CM code for toes fusion is Q70.2 (Fused toes).
Within Q70 (syndactyly), Q70.2 is specifically for fused toes. Related codes cover fused fingers (Q70.0), Webbed fingers (Q70.1), Webbed toes (Q70.3), Polysyndactyly, unspecified (Q70.4) and unspecified (Q70.9).
To report this condition, pick the subcode that matches the documentation: Q70.20 (unspecified foot), Q70.21 (right foot), Q70.22 (left foot) and Q70.23 (bilateral).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.