GZFZZZZ is a billable ICD-10-PCS procedure code for Hypnosis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Hypnosis involves induction of a state of heightened suggestibility by auditory, visual and tactile techniques to elicit an emotional or behavioral response. The Alphabetic Index lists this code under Hypnosis. 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 | F | Hypnosis |
| 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 GZFZZZZ as Hypnosis. These index entries lead to this code:
To code hypnosis, open the FY 2027 ICD-10-PCS Alphabetic Index at Hypnosis. The entry lists GZFZZZZ 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 GZFZZZZ
Is GZFZZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Hypnosis on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for hypnosis?
The ICD-10-PCS Alphabetic Index lists Hypnosis under code GZFZZZZ, Hypnosis, billable on inpatient claims in fiscal year 2027.
What do the characters in GZFZZZZ 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 F is the Type (Hypnosis); 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 GZFZZZZ?
Under the General Equivalence Mappings, Hypnosis crosswalks to ICD-9-PCS 94.32 (Hypnotherapy). The mapping is approximate, so confirm it fits the documentation.
