ICD-10-CM diagnosis code
S06.2X5S Diffuse traumatic brain injury with loss of consciousness greater than 24 hours with return to pre-existing conscious levels, sequela
- Billable
- Yes, a complete code (FY2026)
- Category
- S06 Intracranial injury
Encounter (7th character)
This code is for a sequela: a complication or condition that arises as a direct result of the injury. The sequela itself is usually coded first, followed by this code.
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Other codes in S06
569 complete codes in this category.
- S06.2X3SDiffuse traumatic brain injury with loss of consciousness of 1 hour to 5 hours 59 minutes, sequela
- S06.2X4ADiffuse traumatic brain injury with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.2X4DDiffuse traumatic brain injury with loss of consciousness of 6 hours to 24 hours, subsequent encounter
- S06.2X4SDiffuse traumatic brain injury with loss of consciousness of 6 hours to 24 hours, sequela
- S06.2X5ADiffuse traumatic brain injury with loss of consciousness greater than 24 hours with return to pre-existing conscious levels, initial encounter
- S06.2X5DDiffuse traumatic brain injury with loss of consciousness greater than 24 hours with return to pre-existing conscious levels, subsequent encounter
- S06.2X5SDiffuse traumatic brain injury with loss of consciousness greater than 24 hours with return to pre-existing conscious levels, sequela
- S06.2X6ADiffuse traumatic brain injury with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.2X6DDiffuse traumatic brain injury with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, subsequent encounter
- S06.2X6SDiffuse traumatic brain injury with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, sequela
- S06.2X7ADiffuse traumatic brain injury with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.2X8ADiffuse traumatic brain injury with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
Documentation tips
- Make sure the note supports every element of the title, “Diffuse traumatic brain injury with loss of consciousness greater than 24 hours with return to pre-existing conscious levels, sequela”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to S06.
The international WHO ICD-10 also has S06, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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