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S06.A0XA

S06.A0XATraumatic brain compression without herniation, initial encounter

Billable / specific codeICD-10-CM

S06.A0XA is a billable, specific ICD-10-CM code for traumatic brain compression without herniation, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

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

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Traumatic brain compression NOS
  • Traumatic cerebral compression NOS

Risk adjustment

S06.A0XA risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 399 Major Head Injury without Loss of Consciousness0.199 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

S06.A0XA is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A57130Billing and Coding: Psychiatric Codes
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57780Billing and Coding: Psychological and Neuropsychological Tests

Related codes at this level

Codes that share S06.A0. If S06.A0XA is not quite right, the correct code is usually one of these.

Questions about S06.A0XA

Is S06.A0XA a billable ICD-10-CM code?
Yes. S06.A0XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S06.A0XA sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.