F43.9
BillableReaction to severe stress, unspecified
Reaction to severe stress, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Trauma and stressor-related disorder, NOS
- Unspecified trauma and stressor-related disorder
Includes
Conditions included under this code
- disorders of psychological development
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(29)
SNOMED CT
- Excessive overactivity47295007
- Increased purposeless goalless activity47295007
- Psychomotor agitation47295007
- Symptoms of stress102497008
- Stress monitoring default185779007
- Stress monitoring check done185786004
- Stress and adjustment reaction271952001
- Stress monitoring status308510001
- Stress due to family tension166491000119100
- Stress reaction with psychomotor agitation92501000119101
UMLS
Clinical Terms
- Stress monitoring status
- Stress monitoring default
- Psychomotor agitation
- Increased purposeless goalless activity
- Stress reaction with psychomotor agitation
- Trauma and Stress Related Disorders
- Stress and adjustment reaction
- Trauma and Stressor Related Disorders
- Stress due to family tension
- Trauma and stressor-related disorder, NOS
- Symptoms of stress
- Stress monitoring check done
- Unspecified trauma and stressor-related disorder
- Excessive overactivity
Frequently Asked Questions
What is the ICD-10 code for reaction to severe stress, unspecified?
The ICD-10-CM code for reaction to severe stress, unspecified is F43.9. The full clinical description is "Reaction to severe stress, unspecified". F43.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code F43.9 mean?
ICD-10-CM code F43.9 represents “Reaction to severe stress, unspecified”. It is classified under Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders and is a billable/specific code that can be used on a claim.
Is F43.9 a billable code?
Yes, F43.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is F43.9 in?
F43.9 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What SNOMED CT codes does F43.9 map to?
F43.9 maps to 8 SNOMED CT concepts: 47295007, 271952001, 166491000119100, 185786004, 185779007, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for F43.9?
F43.9 is linked to 3 UMLS Concept Unique Identifiers: C0349242, C4042925, C4237487. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does F43.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like reaction to severe stress, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of F43.9?
F43.9 maps to the ICD-11 code: 6B4Z (Disorders specifically associated with stress, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.