CPT 90837 + ICD-10 F43.23: Adjustment disorder with mixed anxiety and depressed mood
Psychotherapy, 60 minutes billed with Adjustment disorder with mixed anxiety and depressed mood — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90837
Psychotherapy, 60 minutes
ICD-10 Code
F43.23
Adjustment disorder with mixed anxiety and depressed mood
Common Modifiers
Compatibility Notes
Used when a patient presents with both anxious and depressive symptoms in response to an identifiable stressor, without meeting full criteria for either a primary anxiety or depressive disorder. This is a commonly used adjustment disorder specifier. Most payers accept this pairing for short-term therapy.
Documentation Required
- ✓Session start and stop times confirming 53+ minutes
- ✓Stressor documented with onset and current status
- ✓Mixed anxiety and depressed mood symptoms proportionate to the stressor assessment
- ✓Exclusion of primary mood or anxiety disorder criteria documented
- ✓Time-limited treatment plan
Common Denial Reasons
- ✗Symptoms meet full criteria for a primary mood or anxiety disorder — payers may require a more specific code at audit
- ✗Stressor not documented or poorly described
- ✗Treatment extending beyond 6 months without diagnosis update or clinical justification
Applicable Modifiers
Reimbursement Notes
OON UCR $130–$210. Adjustment disorder codes may trigger benefit limits at 12–20 sessions. If the patient requires longer treatment, consider updating the diagnosis to reflect an emerging primary disorder when criteria are met.
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