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ICD-10-CM 2027

ICD-10 code for thigh blister

S70.32

Blister (nonthermal) of thigh

Header — needs a more specific code

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

About coding thigh blister

The ICD-10-CM code for thigh blister is S70.32 (Blister (nonthermal) of thigh).

Within S70.3 (other superficial injuries of thigh), S70.32 is specifically for Blister (nonthermal) of thigh. Related codes cover abrasion of thigh (S70.31), external constriction of thigh (S70.34), superficial foreign body of thigh (S70.35), insect bite (nonvenomous) of thigh (S70.36) and other superficial bite of thigh (S70.37).

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 thigh blister ICD-10 codes

What is the ICD-10 code for thigh blister?

S70.32 — Blister (nonthermal) of thigh (a header code; report a more specific subcode).

Is S70.32 billable?

No. S70.32 is a header code. Report one of its more specific subcodes instead.