Glossary term

PHQ-9

Patient Health Questionnaire-9. Standard nine-item depression severity scale used to track ketamine response. Score 0-27, with 10+ indicating moderate depression.

Related Procedures

PHQ-9 appears in the following procedure guides on ProcedureFinder:

Mental Health

Ketamine Infusion Therapy

IV ketamine infusion series for treatment-resistant depression, PTSD, and chronic pain. Standard induction protocol is six infusions over 2-3 weeks.

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