S00.9

S00.9: Superficial injury of unspecified part of head

Non-billable headerICD-10-CM

S00.9 is a non-billable header ICD-10-CM code for superficial injury of unspecified part of head. 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 S00.9

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.-)

Other codes that can never be billed with S00.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

S01.95Open bite of unspecified part of head
S01.95XAOpen bite of unspecified part of head, initial encounter
S01.95XDOpen bite of unspecified part of head, subsequent encounter
S01.95XSOpen bite of unspecified part of head, sequela

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 S00.9

8 child codes. Green means billable.