Codes

F32.9 is the ICD-10 code for major depressive disorder, single episode, unspecified. Learn Excludes1 rules, CPT pairings, and how to prevent 2026 denials.

Bill CPT 96127 for brief emotional and behavioral assessments like the PHQ-9 and GAD-7. Learn unit limits, modifiers 25 and 59, and documentation rules.

Bill CPT 90847 for family psychotherapy with the patient present. Learn 90846 vs 90847, the time rule, same-day billing with 90837, and documentation.

Bill CPT 90837 the right way. Learn the 53-minute rule, documentation requirements, 2026 reimbursement, telehealth modifier 95, and how to avoid audits.

Bill CPT 90836 for a 45-minute psychotherapy add-on to an E/M service. Learn the add-on rule, 90833 vs 90836, eligible prescribers, and documentation.

CPT 90792 is the psychiatric evaluation with medical services. Learn 90791 vs 90792, who can bill, time, documentation, frequency, and 2026 reimbursement.

CPT code 90833 is the add-on for 30 minutes of psychotherapy with an E/M visit. See 2026 reimbursement, time rules, modifier 25, and how to prevent denials.

CPT code 90834 bills a 45-minute psychotherapy session (38 to 52 minutes). Learn the time rules, 90834 vs 90837, modifiers, and 2026 denial fixes.

Explore psychiatry CPT code guide for accurate billing and reimbursement in mental health.

QUICK ANSWER New to psychiatry diagnosis and procedure coding? Start with our overview of psychiatry CPT codes, then use this page for the F20.9 diagnosis