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ICD-10-CM 2027

ICD-10 code for ear contusion

S00.43

Contusion of ear

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Contusion (skin surface intact) › ear”. Page updated September 29, 2026.

About coding ear contusion

The ICD-10-CM code for ear contusion is S00.43 (Contusion of ear).

Within S00.4 (superficial injury of ear), S00.43 is specifically for contusion of ear. Related codes cover unspecified superficial injury of ear (S00.40), abrasion of ear (S00.41), Blister (nonthermal) of ear (S00.42), external constriction of ear (S00.44), superficial foreign body of ear (S00.45), insect bite (nonvenomous) of ear (S00.46) and other superficial bite of ear (S00.47).

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 ear contusion ICD-10 codes

What is the ICD-10 code for ear contusion?

S00.43 — Contusion of ear (a header code; report a more specific subcode).

Is S00.43 billable?

No. S00.43 is a header code. Report one of its more specific subcodes instead.