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ICD-10-CM 2027

ICD-10 code for forearm blister

S50.82

Blister (nonthermal) of forearm

Header — needs a more specific code

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

About coding forearm blister

The ICD-10-CM code for forearm blister is S50.82 (Blister (nonthermal) of forearm).

Within S50.8 (other superficial injuries of forearm), S50.82 is specifically for Blister (nonthermal) of forearm. Related codes cover abrasion of forearm (S50.81), external constriction of forearm (S50.84), superficial foreign body of forearm (S50.85), insect bite (nonvenomous) of forearm (S50.86) and other superficial bite of forearm (S50.87).

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.

More specific forearm blister codes (official index)

  • elbow only

Common questions about forearm blister ICD-10 codes

What is the ICD-10 code for forearm blister?

S50.82 — Blister (nonthermal) of forearm (a header code; report a more specific subcode).

Is S50.82 billable?

No. S50.82 is a header code. Report one of its more specific subcodes instead.