ICD-10-CM Current in FY 2027

S06.6

Traumatic subarachnoid hemorrhage

Release: FY 2027
Effective: October 1, 2026

Official source

Hierarchy

Where S06.6 sits in the official hierarchy. Each level is the code it is classified under.

S06 Parent Intracranial injury
S06.6 This code Traumatic subarachnoid hemorrhage

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

traumatic brain injury

Inherited from S06 — Intracranial injury

Excludes1

head injury NOS ( S09.90 )

Inherited from S06 — Intracranial injury

Use Additional Code

code, if applicable, for traumatic brain compression or herniation ( S06.A- )

Use Additional Code

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

Inherited from S06 — Intracranial injury

Code Also

any associated:

Inherited from S06 — Intracranial injury

Code Also

open wound of head ( S01 .-)

Inherited from S06 — Intracranial injury

Code Also

skull fracture ( S02 .-)

Inherited from S06 — Intracranial injury

7th Character

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

Inherited from S06 — Intracranial injury

7th Character

A - initial encounter

Inherited from S06 — Intracranial injury

7th Character

D - subsequent encounter

Inherited from S06 — Intracranial injury

7th Character

S - sequela

Inherited from S06 — Intracranial injury

More Specific Codes

1 code under S06.6

S06.6X Traumatic subarachnoid hemorrhage Has subcodes

Version History

How S06.6 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Traumatic subarachnoid hemorrhage
FY 2026 Effective October 1, 2025
Unchanged

Traumatic subarachnoid hemorrhage

Other codes under S06

Codes whose official notes reference S06.6

S06.A Traumatic brain compression and herniation

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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