Is S06.A0XD a billable ICD-10-CM code?

Yes. S06.A0XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S06.A0XD 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).

What cannot be coded together with S06.A0XD?

S06.A0XD carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S06.A0XD (S06) and apply to it just the same.

S06.A0XD

S06.A0XD — Traumatic brain compression without herniation, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

S06.A0XD is a billable, specific ICD-10-CM code for traumatic brain compression without herniation, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent 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

Excludes1 inherited from the categories above S06.A0XD

These are not written on S06.A0XD, but they bind it: a note on a category applies to every code beneath it. Billing S06.A0XD with anything listed here is a denial.

Written on S06 — Intracranial injury

head injury NOS (S09.90)

Other codes that can never be billed with S06.A0XD

These codes carry an Excludes1 note pointing at S06.A0XD. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S06.A0XD alone.

G31.84Mild cognitive impairment of uncertain or unknown etiology
I69Sequelae of cerebrovascular disease
I69.8Sequelae of other cerebrovascular diseases
I69.9Sequelae of unspecified cerebrovascular diseases
S09.0Injury of blood vessels of head, not elsewhere classified
S09.0XXAInjury of blood vessels of head, not elsewhere classified, initial encounter
S09.0XXDInjury of blood vessels of head, not elsewhere classified, subsequent encounter
S09.0XXSInjury of blood vessels of head, not elsewhere classified, sequela

Risk adjustment

S06.A0XD does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

S06.A0XD 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

Code history

S06.A0XD has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share S06.A0. If S06.A0XD is not quite right, the correct code is usually one of these.

Questions about S06.A0XD

Is S06.A0XD a billable ICD-10-CM code?: Yes. S06.A0XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S06.A0XD 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).
What cannot be coded together with S06.A0XD?: S06.A0XD carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S06.A0XD (S06) and apply to it just the same.