GZ5 Individual Psychotherapy - None ICD-10-PCS
The GZ5 code range contains 10 ICD-10-PCS codes for Individual Psychotherapy procedures on the none. 9 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Individual Psychotherapy: Treatment of an individual with a mental health disorder by behavioral,cognitive, psychoanalytic, psychodynamic or psychophysiological means to improve functioningor well-being.
Codes in the GZ5 Range 10 codes · 9 billable
- GZ5 Mental Health, Individual PsychotherapyNon-billable header
- GZ50ZZZ Individual Psychotherapy, Interactive
- GZ51ZZZ Individual Psychotherapy, Behavioral
- GZ52ZZZ Individual Psychotherapy, Cognitive
- GZ53ZZZ Individual Psychotherapy, Interpersonal
- GZ54ZZZ Individual Psychotherapy, Psychoanalysis
- GZ55ZZZ Individual Psychotherapy, Psychodynamic
- GZ56ZZZ Individual Psychotherapy, Supportive
- GZ58ZZZ Individual Psychotherapy, Cognitive-Behavioral
- GZ59ZZZ Individual Psychotherapy, Psychophysiological
About the GZ5 Code Range
The ICD-10-PCS root operation Individual Psychotherapy (code series GZ5) refers to therapeutic interactions conducted with a single patient to address mental health conditions. This operation is part of the Mental Health classification and involves various psychological treatment methods tailored to individual needs.
Individual Psychotherapy encompasses multiple approaches, as indicated by the specific ICD-10-PCS codes provided. These include Interactive therapy (GZ50ZZZ), Behavioral therapy (GZ51ZZZ), and Cognitive therapy (GZ52ZZZ). Other examples are Interpersonal (GZ53ZZZ), Psychoanalysis (GZ54ZZZ), and Psychodynamic therapy (GZ55ZZZ). Additionally, Supportive (GZ56ZZZ), Cognitive-Behavioral (GZ58ZZZ), and Psychophysiological approaches (GZ59ZZZ) further specify the treatment modality. These codes provide precise documentation options for recording individual psychotherapy sessions, enhancing clarity in mental health procedural coding.
Questions About This Page
How many billable codes are in the GZ5 range?
Of the 10 codes in this range, 9 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the GZ5 range classify?
The range classifies Individual Psychotherapy procedures, treatment of an individual with a mental health disorder by behavioral,cognitive, psychoanalytic, psychodynamic or psychophysiological means to improve functioningor well-being, performed on the none. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
