S06.2X4A — Diffuse traumatic brain injury with loss of consciousness of 6 hours to 24 hours, initial encounter
Is S06.2X4A billable?
Yes — S06.2X4A is billable for FY2027. S06.2X4A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S06.2X4A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S06.2X4A at a glance
| Code | S06.2X4A |
|---|---|
| Description | Diffuse traumatic brain injury with loss of consciousness of 6 hours to 24 hours, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S06.2X4A?
In S06.2X4A, the 7th character A means initial encounter. The 7th character is required for S06.2X4A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S06.2X4A group to?
S06.2X4A sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 082Traumatic Stupor and Coma >1 Hour with MCCmedical
- 083Traumatic Stupor and Coma >1 Hour with CCmedical
- 084Traumatic Stupor and Coma >1 Hour without CC/MCCmedical
As a secondary diagnosis, S06.2X4A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG. It also carries Hospital-Acquired Condition category 05.
How is S06.2X4A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S06.2X, the nearest indexed parent of S06.2X4A. Use them to find the family, then select the specific code.
- Injury › brain › diffuse
- Injury › intracranial › diffuse
Excludes1 — never code together — inherited from S06
The conditions below can never be reported together with S06.2X4A 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)
Excludes1 — never code together — inherited from S06.2
The conditions below can never be reported together with S06.2X4A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- traumatic diffuse cerebral edema (S06.1X-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S06.2X4A to fully describe the condition. S06.2X4A is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from S06
Report an additional code alongside S06.2X4A to fully describe the condition. S06.2X4A is sequenced first.
- code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)
Use additional code — inherited from S06.2
Report an additional code alongside S06.2X4A to fully describe the condition. S06.2X4A is sequenced first.
- code, if applicable, for traumatic brain compression or herniation (S06.A-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S06.2X4A, but a patient may have both at the same time. When documentation supports it, S06.2X4A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S06.2X4A, but a patient may have both at the same time. When documentation supports it, S06.2X4A 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 S06.2X4A 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 S06.2X4A is sequenced first depends on the reason for the encounter.
How long has S06.2X4A existed?
S06.2X4A has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.