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S09.90

Billable

Unspecified injury of head

S09.90 is the ICD-10-CM code for Unspecified injury of head. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
S00-T88
Parent
S09.9
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Includes

  • •Head injury NOS

Excludes1 — not coded here

  • •brain injury NOS (S06.9-)
  • •head injury NOS with loss of consciousness (S06.9-)
  • •intracranial injury NOS (S06.9-)

Frequently asked questions

What is ICD-10 code S09.90?
S09.90 is the ICD-10-CM code for "Unspecified injury of head". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S09.90 a billable code?
Yes — S09.90 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from S09.90?
Excludes1 (not coded here): brain injury NOS (S06.9-); head injury NOS with loss of consciousness (S06.9-); intracranial injury NOS (S06.9-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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