F43.1 ICD-10-CM Code: Post-traumatic stress disorder (PTSD)
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
F43.1Post-traumatic stress disorder (PTSD)
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where F43.1 sits
- 1
Chapter 5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- 2
Section
Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
- 3
Category F43
Reaction to severe stress, and adjustment disorders
- 4
Code F43.1
Post-traumatic stress disorder (PTSD)
More specific choices
Codes under F43.1
F43.1 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
- Traumatic neurosis
Code first
No “code first” instruction is listed for F43.1.
Use additional code
No “use additional code” instruction is listed for F43.1.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for F43.1.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for F43.1.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code F43.1 mean?
F43.1 is the FY 2027 U.S. ICD-10-CM code for “Post-traumatic stress disorder (PTSD).”
Is F43.1 a billable or specific ICD-10-CM code?
No. F43.1 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is F43.1 located in ICD-10-CM?
F43.1 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48) (F40–F48), under category F43, Reaction to severe stress, and adjustment disorders.
What coding notes are listed for F43.1?
Its listed inclusion terms are Traumatic neurosis. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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