ICD-10-CM · Chapter 5 · F01-F99
F43 Reaction to severe stress, and adjustment disorders
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| F43..0 | Acute stress reaction | Yes |
| F43..1 | Post-traumatic stress disorder (PTSD) | No |
| F43..10 | Post-traumatic stress disorder, unspecified | Yes |
| F43..11 | Post-traumatic stress disorder, acute | Yes |
| F43..12 | Post-traumatic stress disorder, chronic | Yes |
| F43..2 | Adjustment disorders | No |
| F43..20 | Adjustment disorder, unspecified | Yes |
| F43..21 | Adjustment disorder with depressed mood | Yes |
| F43..22 | Adjustment disorder with anxiety | Yes |
| F43..23 | Adjustment disorder with mixed anxiety and depressed mood | Yes |
| F43..24 | Adjustment disorder with disturbance of conduct | Yes |
| F43..25 | Adjustment disorder with mixed disturbance of emotions and conduct | Yes |
| F43..29 | Adjustment disorder with other symptoms | Yes |
| F43..8 | Other reactions to severe stress | No |
| F43..81 | Prolonged grief disorder | Yes |
| F43..89 | Other reactions to severe stress | Yes |
| F43..9 | Reaction to severe stress, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category F43:
- PTSD (Post-Traumatic Stress Disorder) — Trastorno de estrés postraumático (TEPT)
Last reviewed: September 2026