S06

ICD-10Non-billable category

Intracranial injury

Official ICD-10-CM descriptor (FY2026)

Intracranial injury

S06 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

  • traumatic brain injury

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • head injury NOS (S09.90)

Use additional code

Report an additional code to identify the associated condition.

  • code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

  • any associated:
  • open wound of head (S01.-)
  • skull fracture (S02.-)

Notes

  • 7th characters D and S do not apply to codes in category S06 with 6th character 7 - death due to brain injury prior to regaining consciousness, or 8 - death due to other cause prior to regaining consciousness.

7th character

  • The appropriate 7th character is to be added to each code from category S06, except as noted below

Permitted 7th characters

Ainitial encounter
Dsubsequent encounter
Ssequela

More specific codes under S06

Where this code sits

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →