ICD Code F43.0

ICD code F43.0 is acute stress reaction, a short-term psychological response to a traumatic or stressful event, characterized by symptoms such as anxiety, confusion, and emotional distress that develop soon after the event and typically resolve within days or weeks.

1. Exposure to an exceptionally stressful or traumatic event of short or long duration

2. Immediate onset of symptoms following the event (usually within minutes)

3. Presence of symptoms such as emotional numbing, anxiety, depression, anger, despair, overactivity, withdrawal, or agitation

4. Symptoms typically resolve within hours or days (maximum duration of symptoms is up to one month)

5. No evidence of another mental disorder that better explains the symptoms

6. Symptoms cause significant impairment in social, occupational, or other important areas of functioning

Relevant CPT codes that may be used to treat ICD code F43.0 include:

- 90791 (Psychiatric diagnostic evaluation)

- 90832 (Psychotherapy, 30 minutes with patient)

- 90834 (Psychotherapy, 45 minutes with patient)

- 90837 (Psychotherapy, 60 minutes with patient)

- 90839 (Psychotherapy for crisis, first 60 minutes)

- 90840 (Psychotherapy for crisis, each additional 30 minutes)

- 99202–99215 (Evaluation and management services, new or established patient, as appropriate)

- 99401–99404 (Preventive medicine counseling, individual, 15–60 minutes)

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