S06.A1XS — Traumatic brain compression with herniation, sequela
Is S06.A1XS billable?
Yes — S06.A1XS is billable for FY2027. S06.A1XS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S06.A1XS may be submitted for encounters from October 1, 2026 through September 30, 2027.
S06.A1XS at a glance
| Code | S06.A1XS |
|---|---|
| Description | Traumatic brain compression with herniation, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S06.A1XS?
In S06.A1XS, the 7th character S means sequela. The 7th character is required for S06.A1XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
What Medicare edits apply to S06.A1XS?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name S06.A1XS directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does S06.A1XS group to?
S06.A1XS sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 913Traumatic Injury with MCCmedical
- 914Traumatic Injury without MCCmedical
How is S06.A1XS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S06.A1, the nearest indexed parent of S06.A1XS. Use them to find the family, then select the specific code.
- Herniation › brain › traumatic
- Herniation › cerebral › traumatic
- Compression › brain › traumatic › with herniation
- Herniation › brain › traumatic › cerebellar
- Herniation › brain › traumatic › subfalcine
- Herniation › brain › traumatic › tonsillar
- Herniation › brain › traumatic › transtentorial
- Herniation › brain › traumatic › uncal
Inclusion terms
Alternative wording in documentation that is classified to S06.A1XS.
- Traumatic brain herniation
- Traumatic brainstem compression with herniation
- Traumatic cerebellar compression with herniation
- Traumatic cerebral compression with herniation
Excludes1 — never code together — inherited from S06
The conditions below can never be reported together with S06.A1XS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- head injury NOS (S09.90)
Code first — inherited from S06.A
The underlying condition below must be sequenced before S06.A1XS. S06.A1XS describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside S06.A1XS to fully describe the condition. S06.A1XS is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from S06
Report an additional code alongside S06.A1XS to fully describe the condition. S06.A1XS is sequenced first.
- code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S06.A1XS, but a patient may have both at the same time. When documentation supports it, S06.A1XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S06.A1XS, but a patient may have both at the same time. When documentation supports it, S06.A1XS and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S06.A1XS is sequenced first depends on the reason for the encounter.
- for any associated infection
Code also — inherited from S06
Two codes may be needed to describe the condition fully. Whether S06.A1XS is sequenced first depends on the reason for the encounter.
How long has S06.A1XS existed?
S06.A1XS first appears in FY2022.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.