Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for uvula blister

S00.522

Blister (nonthermal) of oral cavity

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Blister (nonthermal) › uvula”. Page updated September 29, 2026.

About coding uvula blister

The ICD-10-CM code for uvula blister is S00.522 (Blister (nonthermal) of oral cavity).

Within S00.52 (Blister (nonthermal) of lip and oral cavity), S00.522 is specifically for Blister (nonthermal) of oral cavity. Related codes cover lip (S00.521).

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.

Common questions about uvula blister ICD-10 codes

What is the ICD-10 code for uvula blister?

S00.522 — Blister (nonthermal) of oral cavity (a header code; report a more specific subcode).

Is S00.522 billable?

No. S00.522 is a header code. Report one of its more specific subcodes instead.