ICD-10-CM diagnosis code
S06.301D Unspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less, subsequent encounter
- Billable
- Yes, a complete code (FY2026)
- Category
- S06 Intracranial injury
Encounter (7th character)
This code is for a subsequent encounter: active treatment is complete and the patient is being seen during healing or recovery (for example a cast change, medication adjustment or follow-up visit).
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Other codes in S06
569 complete codes in this category.
- S06.2XADDiffuse traumatic brain injury with loss of consciousness status unknown, subsequent encounter
- S06.2XASDiffuse traumatic brain injury with loss of consciousness status unknown, sequela
- S06.300AUnspecified focal traumatic brain injury without loss of consciousness, initial encounter
- S06.300DUnspecified focal traumatic brain injury without loss of consciousness, subsequent encounter
- S06.300SUnspecified focal traumatic brain injury without loss of consciousness, sequela
- S06.301AUnspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less, initial encounter
- S06.301DUnspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less, subsequent encounter
- S06.301SUnspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less, sequela
- S06.302AUnspecified focal traumatic brain injury with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.302DUnspecified focal traumatic brain injury with loss of consciousness of 31 minutes to 59 minutes, subsequent encounter
- S06.302SUnspecified focal traumatic brain injury with loss of consciousness of 31 minutes to 59 minutes, sequela
- S06.303AUnspecified focal traumatic brain injury with loss of consciousness of 1 hour to 5 hours 59 minutes, initial encounter
Documentation tips
- Make sure the note supports every element of the title, “Unspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less, subsequent encounter”: 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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