S06.A1

⚠ Non-billable (Header)

Traumatic brain compression with herniation

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

Also Known As

Traumatic brain herniationTraumatic brainstem compression with herniationTraumatic cerebellar compression with herniationTraumatic cerebral compression with herniation

📋 Code Instructions

from S06.A

• Code first: the underlying traumatic brain injury, such as:
• Code first: diffuse traumatic brain injury (S06.2-)
• Code first: focal traumatic brain injury (S06.3-)
• Code first: traumatic subdural hemorrhage (S06.5-)
• Code first: traumatic subarachnoid hemorrhage (S06.6-)

✅ No additional coding notes for S06.A1

Child Codes (3)

S06.A1XATraumatic brain compression with herniation, initial encounter✓ Billable S06.A1XDTraumatic brain compression with herniation, subsequent encounter✓ Billable S06.A1XSTraumatic brain compression with herniation, sequela✓ Billable

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Code Information

CodeS06.A1

BillableNo — Header code

ParentS06.A

CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)

Excludes10 rule(s)

Excludes20 note(s)

Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)