ICD-10 code for throat blister

The ICD-10-CM code for throat blister is S10.12 (Blister (nonthermal) of throat).

Within S10.1 (other and unspecified superficial injuries of throat), S10.12 is specifically for Blister (nonthermal) of throat. Related codes cover unspecified superficial injuries of throat (S10.10), abrasion of throat (S10.11), external constriction of part of throat (S10.14), superficial foreign body of throat (S10.15), insect bite (nonvenomous) of throat (S10.16) and other superficial bite of throat (S10.17).

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.