ICD-10-CM 2027
ICD-10 code for shoulder blister
From the official ICD-10-CM alphabetic index entry “Blister (nonthermal) › shoulder”. Page updated September 29, 2026.
About coding shoulder blister
The ICD-10-CM code for shoulder blister is S40.22 (Blister (nonthermal) of shoulder).
Within S40.2 (other superficial injuries of shoulder), S40.22 is specifically for Blister (nonthermal) of shoulder. Related codes cover abrasion of shoulder (S40.21), external constriction of shoulder (S40.24), superficial foreign body of shoulder (S40.25), insect bite (nonvenomous) of shoulder (S40.26) and other superficial bite of shoulder (S40.27).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.