GZC9ZZZ is a billable ICD-10-PCS procedure code for Biofeedback. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Biofeedback involves provision of information from the monitoring and regulating of physiological processes in conjunction with cognitive-behavioral techniques to improve patient functioning or well-being.
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 | Type | C | Biofeedback |
| 4 | Qualifier | 9 | Other Biofeedback |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for GZC9ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About GZC9ZZZ
Is GZC9ZZZ a billable code?
Yes. GZC9ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Biofeedback on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in GZC9ZZZ mean?
GZC9ZZZ breaks down character by character: the 1st character G is the Section (Mental Health); the 2nd character Z is the Body System (None); the 3rd character C is the Type (Biofeedback); the 4th character 9 is the Qualifier (Other Biofeedback); the 5th character Z is the Qualifier (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of GZC9ZZZ?
Under the General Equivalence Mappings, Biofeedback crosswalks to ICD-9-PCS 94.39. The mapping is approximate, so confirm it fits the documentation.
