F43.12 Post-traumatic stress disorder, chronic

Billable ICD-10-CM code, FY2026.

Applies from F43.1 Post-traumatic stress disorder (PTSD)

Applicable to

• Traumatic neurosis

Risk adjustment (HCC)

• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders

MS-DRG index

Defines the logic of DRG(s) 882 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 309.81 Posttraumatic stress disorder (approximate)

Code annotations containing back-references to F43.12

Back-references to F43

• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("nonpsychotic mental disorders (F40-F48)")

Diagnosis Index entries for F43.12

• Disorder (of) › post-traumatic stress (PTSD) › chronic
• Disorder (of) › stress › post-traumatic › chronic
• Neurosis, neurotic › posttraumatic (situational) › chronic
• Neurosis, neurotic › traumatic › chronic

Nearby codes

• F43 Reaction to severe stress, and adjustment disorders
• F43.0 Acute stress reaction
• F43.1 Post-traumatic stress disorder (PTSD)
• F43.10 Post-traumatic stress disorder, unspecified
• F43.11 Post-traumatic stress disorder, acute
• F43.12 Post-traumatic stress disorder, chronic (this code)
• F43.2 Adjustment disorders
• F43.20 Adjustment disorder, unspecified
• F43.21 Adjustment disorder with depressed mood
• F43.22 Adjustment disorder with anxiety
• F43.23 Adjustment disorder with mixed anxiety and depressed mood