ICD-10-CM 2027
ICD-10 code for penis blister
From the official ICD-10-CM alphabetic index entry “Blister (nonthermal) › penis”. Page updated September 29, 2026.
About coding penis blister
The ICD-10-CM code for penis blister is S30.822 (Blister (nonthermal) of penis).
Within S30.82 (Blister (nonthermal) of abdomen, lower back, pelvis and external genitals), S30.822 is specifically for Blister (nonthermal) of penis. Related codes cover lower back and pelvis (S30.820), abdominal wall (S30.821), scrotum and testes (S30.823), vagina and vulva (S30.824), unspecified external genital organs, male (S30.825), unspecified external genital organs, female (S30.826), anus (S30.827) and flank (S30.82A).
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.