
The F43.12 diagnosis code is an ICD-10 billable code used to classify Post-Traumatic Stress Disorder (PTSD), chronic.
This code applies when a patient’s PTSD symptoms last longer than 3 months and continue to interfere with daily functioning, relationships, or work.
Description (ICD-10-CM F43.12):
ICD-9 transition: Previously mapped to 309.81.
F43.12 is used when PTSD symptoms are long-term and ongoing, often following:
To meet the F43.12 criteria, patients must exhibit:
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Code | Description | When Used |
F43.10 | PTSD, unspecified | Diagnosis not specified as acute/chronic |
F43.11 | Acute PTSD | Symptoms last <3 months |
F43.12 | Symptoms persist >3 months | |
F43.20 | Adjustment Disorder, unspecified | Stress-related, but not PTSD |
F43.8 | Other stress disorders | Covers other trauma responses |
Since F43.12 is a billable ICD-10 code, it is:
Tip for providers: Always include detailed clinical documentation (trauma history, DSM-5 criteria met, treatment plan). Missing documentation can trigger denials.
ICD-10 code F43.12 plays a vital role in documenting and billing Chronic Post-Traumatic Stress Disorder (PTSD). Accurate use of this code not only ensures proper reimbursement but also supports patient care, disability evaluations, and compliance with DSM-5 criteria. Whether you’re a provider treating veterans, a psychiatrist managing long-term trauma care, or a billing specialist navigating payer policies, correct coding makes all the difference.
Cures Medical Billing specializes in simplifying complex behavioral health billing, reducing denials, and ensuring you get paid faster. Contact us today for a free consultation and let our experts handle your toughest coding and billing challenges.
F43.12 is the ICD-10 code for Chronic Post-Traumatic Stress Disorder (PTSD), used when symptoms persist longer than 3 months.
Yes, F43.12 is a billable ICD-10-CM code used for insurance reimbursement, medical documentation, and VA disability claims.
Yes, veterans with chronic PTSD often have F43.12 listed in their medical documentation to support VA disability claims.
The DSM-5 requires trauma exposure plus persistent re-experiencing, avoidance, negative mood changes, hyperarousal, and impairment lasting 3+ months.
Common CPT codes include 90834 (psychotherapy, 45 minutes), 90837 (psychotherapy, 60 minutes), and 99213/99214 (psychiatric evaluation & management).
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