GZ1 is a non-billable ICD-10-PCS code that heads the group for Mental Health, Psychological Tests, so it cannot be submitted on a claim; a more specific seven-character code is required. The root operation Psychological Tests involves the administration and interpretation of standardized psychological tests and measurement instruments for the assessment of psychological function.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | G | Mental Health |
| 2 | Body System | Z | None |
| 3 | Operation | 1 | Psychological Tests |
