ICD-10-CM F43: Reaction to severe stress, and adjustment disorders

ICD-10-CM Diagnosis Code (2025)

Official Description for F43

Reaction to severe stress, and adjustment disorders

Coding Notes & Guidelines for F43

Excludes2: Not Included Here

separation anxiety disorder of childhood (F93.0)

Inclusion Terms
  • Acute crisis reaction
  • Acute reaction to stress
  • Combat and operational stress reaction
  • Combat fatigue
  • Crisis state
  • Psychic shock
Inclusion Terms

Traumatic neurosis

Inclusion Terms
  • Culture shock
  • Grief reaction
  • Hospitalism in children
Inclusion Terms

Other specified trauma and stressor-related disorder

Inclusion Terms
  • Complicated grief
  • Complicated grief disorder
  • Persistent complex bereavement disorder
Inclusion Terms
  • Trauma and stressor-related disorder, NOS
  • Unspecified trauma and stressor-related disorder

Child Codes (More Specific Codes for F43):

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 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 F43.24 - Adjustment disorder with disturbance of conduct F43.25 - Adjustment disorder with mixed disturbance of emotions and conduct F43.29 - Adjustment disorder with other symptoms F43.8 - Other reactions to severe stress F43.81 - Prolonged grief disorder F43.89 - Other reactions to severe stress F43.9 - Reaction to severe stress, unspecified

About ICD-10-CM Code F43 (Reaction to severe stress)

ICD-10-CM code F43 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM F43 became effective on October 1, 2024.

This page provides detailed information about F43 - Reaction to severe stress, and adjustment disorders. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Reaction to severe stress related to and adjustment disorders.