CPT 90791 + ICD-10 F43.23: Adjustment disorder with mixed anxiety and depressed mood
Psychiatric diagnostic evaluation billed with Adjustment disorder with mixed anxiety and depressed mood — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90791
Psychiatric diagnostic evaluation
ICD-10 Code
F43.23
Adjustment disorder with mixed anxiety and depressed mood
Common Modifiers
Compatibility Notes
Initial evaluation for a patient presenting with mixed anxious and depressive adjustment reaction. The evaluation should document the stressor, the onset timeline, and the absence of full primary mood or anxiety disorder criteria. A time-limited treatment plan should be initiated at intake.
Documentation Required
- ✓Comprehensive evaluation with stressor history
- ✓Mixed anxiety and depressed mood criteria documented
- ✓Primary mood and anxiety disorder differential addressed
- ✓Time-limited treatment plan at intake
Common Denial Reasons
- ✗90791 billed more than once per year by same provider
- ✗Stressor not documented
- ✗Primary disorder criteria appear to be met without differential documentation
Applicable Modifiers
Reimbursement Notes
OON UCR $175–$350. 90791 should be used for all intake sessions regardless of diagnosis complexity.
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