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ICD-10-CM 2027

ICD-10 code for arm upper abrasion

S40.81

Abrasion of upper arm

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Abrasion › arm (upper)”. Page updated September 29, 2026.

About coding arm upper abrasion

The ICD-10-CM code for arm upper abrasion is S40.81 (Abrasion of upper arm).

Within S40.8 (other superficial injuries of upper arm), S40.81 is specifically for abrasion of upper arm. Related codes cover Blister (nonthermal) of upper arm (S40.82), external constriction of upper arm (S40.84), superficial foreign body of upper arm (S40.85), insect bite (nonvenomous) of upper arm (S40.86) and other superficial bite of upper arm (S40.87).

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.

Common questions about arm upper abrasion ICD-10 codes

What is the ICD-10 code for arm upper abrasion?

S40.81 — Abrasion of upper arm (a header code; report a more specific subcode).

Is S40.81 billable?

No. S40.81 is a header code. Report one of its more specific subcodes instead.