ICD Code F43.20

ICD code F43.20 is used to identify an adjustment disorder that is unspecified. This means that the individual is experiencing emotional or behavioral symptoms in response to a specific stressor, but the exact nature of the disorder has not been clearly defined or categorized. This code is typically used when the symptoms do not fit neatly into other specific adjustment disorder categories.

1. Emotional or Behavioral Symptoms: The presence of emotional or behavioral symptoms that develop in response to an identifiable stressor or stressors within three months of the onset of the stressor(s).

2. Impairment in Functioning: The symptoms must be clinically significant, as evidenced by marked distress that is out of proportion to the severity or intensity of the stressor, taking into account the external context and cultural factors that might influence symptom severity and presentation.

3. Social, Occupational, or Other Areas of Functioning: There is significant impairment in social, occupational, or other important areas of functioning.

4. Exclusion of Other Mental Disorders: The symptoms do not meet the criteria for another mental disorder and are not merely an exacerbation of a preexisting mental disorder.

5. Exclusion of Normal Bereavement: The symptoms do not represent normal bereavement.

6. Resolution of Symptoms: Once the stressor or its consequences have terminated, the symptoms do not persist for more than an additional six months.

For the ICD code F43.20 (Adjustment disorder, unspecified), the relevant CPT codes that may be applicable for treatment include:

1. 90832 - Psychotherapy, 30 minutes with patient
2. 90834 - Psychotherapy, 45 minutes with patient
3. 90837 - Psychotherapy, 60 minutes with patient
4. 90839 - Psychotherapy for crisis; first 60 minutes
5. 90840 - Psychotherapy for crisis; each additional 30 minutes
6. 90846 - Family psychotherapy (without the patient present)
7. 90847 - Family psychotherapy (conjoint psychotherapy) (with patient present)
8. 90853 - Group psychotherapy (other than of a multiple-family group)
9. 99201-99215 - Evaluation and management services, depending on the complexity and time spent

These CPT codes are commonly used for billing purposes when providing psychotherapy and related services to patients diagnosed with adjustment disorders. It is important for healthcare providers to select the appropriate CPT code based on the specific services rendered and the time spent with the patient.

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