S00.40

S00.40: Unspecified superficial injury of ear

Non-billable headerICD-10-CMunspecified

S00.40 is a non-billable header ICD-10-CM code for unspecified superficial injury of ear. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category S00

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S00.40

A category’s note binds every code beneath it.

Written on S00: Superficial injury of head

diffuse cerebral contusion (S06.2-)
focal cerebral contusion (S06.3-)
injury of eye and orbit (S05.-)
open wound of head (S01.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S00.40

3 child codes. Green means billable.