10ICD Code Hub

S09.90

Billable code

Unspecified injury of head

The ICD-10 code for unspecified injury of head is S09.90.

Clinical notes

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

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

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Head injury NOS

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

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