ICD-10-CM diagnosis code
F43.10 Post-traumatic stress disorder, unspecified
- Billable
- Yes, a complete code (FY2026)
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Other codes in F43
14 complete codes in this category.
- F43.0Acute stress reaction
- F43.10Post-traumatic stress disorder, unspecified
- F43.11Post-traumatic stress disorder, acute
- F43.12Post-traumatic stress disorder, chronic
- F43.20Adjustment disorder, unspecified
- F43.21Adjustment disorder with depressed mood
- F43.22Adjustment disorder with anxiety
- F43.23Adjustment disorder with mixed anxiety and depressed mood
- F43.24Adjustment disorder with disturbance of conduct
- F43.25Adjustment disorder with mixed disturbance of emotions and conduct
- F43.29Adjustment disorder with other symptoms
- F43.81Prolonged grief disorder
Documentation tips
- Make sure the note supports every element of the title, “Post-traumatic stress disorder, unspecified”: 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 F43.
The international WHO ICD-10 also has F43, 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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