ICD-10-CM 2027
ICD-10 code for index finger trigger finger
From the official ICD-10-CM alphabetic index entry “Trigger finger (acquired) › index finger”. Page updated September 29, 2026.
About coding index finger trigger finger
The ICD-10-CM code for index finger trigger finger is M65.32 (Trigger finger, index finger).
Within M65.3 (Trigger finger), M65.32 is specifically for Trigger finger, index finger. Related codes cover unspecified finger (M65.30), thumb (M65.31), middle finger (M65.33), ring finger (M65.34) and little finger (M65.35).
To report this condition, pick the subcode that matches the documentation: M65.321 (finger), M65.322 (finger) and M65.329 (finger).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.