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ICD-10-CM 2027

ICD-10 code for nasal blister

S00.32

Blister (nonthermal) of nose

Header — needs a more specific code

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

About coding nasal blister

The ICD-10-CM code for nasal blister is S00.32 (Blister (nonthermal) of nose).

Within S00.3 (superficial injury of nose), S00.32 is specifically for Blister (nonthermal) of nose. Related codes cover unspecified superficial injury of nose (S00.30), abrasion of nose (S00.31), contusion of nose (S00.33), external constriction of nose (S00.34), superficial foreign body of nose (S00.35), insect bite (nonvenomous) of nose (S00.36) and other superficial bite of nose (S00.37).

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 nasal blister ICD-10 codes

What is the ICD-10 code for nasal blister?

S00.32 — Blister (nonthermal) of nose (a header code; report a more specific subcode).

Is S00.32 billable?

No. S00.32 is a header code. Report one of its more specific subcodes instead.