GZJZZZZ is a billable ICD-10-PCS procedure code for Light Therapy. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Light Therapy involves application of specialized light treatments to improve functioning or well-being. The Alphabetic Index lists this code under Light Therapy. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Mental health procedures, NEC.
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 | J | Light Therapy |
| 4 | Qualifier | Z | None |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
The FY 2027 ICD-10-PCS Alphabetic Index refers to GZJZZZZ as Light Therapy. These index entries lead to this code:
To code light therapy, open the FY 2027 ICD-10-PCS Alphabetic Index at Light Therapy. The entry lists GZJZZZZ directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About GZJZZZZ
Is GZJZZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Light Therapy on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for light Therapy?
The ICD-10-PCS Alphabetic Index lists Light Therapy under code GZJZZZZ, Light Therapy, billable on inpatient claims in fiscal year 2027.
What do the characters in GZJZZZZ mean?
The code 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 J is the Type (Light Therapy); the 4th character Z is the Qualifier (None); 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 GZJZZZZ?
Under the General Equivalence Mappings, Light Therapy crosswalks to ICD-9-PCS 94.29 (Other psychiatric somatotherapy). The mapping is approximate, so confirm it fits the documentation.
