F15Z4ZZSinusoidal Vertical Axis Rotational Assessment
- Billable / Specific Code
F15Z4ZZ is a billable ICD-10-PCS procedure code for Sinusoidal Vertical Axis Rotational Assessment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Vestibular Assessment involves measurement of the vestibular system and related functions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Diagnostic audiology.
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 | F | Physical Rehabilitation and Diagnostic Audiology |
| 2 | Section Qualifier | 1 | Diagnostic Audiology |
| 3 | Type | 5 | Vestibular Assessment |
| 4 | BodySystem/Region | Z | None |
| 5 | TypeQualifier | 4 | Sinusoidal Vertical Axis Rotational |
| 6 | Equipment | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code audiology of the diagnostic, open the FY 2027 ICD-10-PCS Alphabetic Index at Audiology, then the subterm diagnostic. The index leads to table F15, where the type qualifier, equipment and qualifier values shown in the breakdown above complete the seven-character code F15Z4ZZ.
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 F15Z4ZZ
Is F15Z4ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Sinusoidal Vertical Axis Rotational Assessment on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in F15Z4ZZ mean?
The code breaks down character by character: the 1st character F is the Section (Physical Rehabilitation and Diagnostic Audiology); the 2nd character 1 is the Section Qualifier (Diagnostic Audiology); the 3rd character 5 is the Type (Vestibular Assessment); the 4th character Z is the BodySystem/Region (None); the 5th character 4 is the TypeQualifier (Sinusoidal Vertical Axis Rotational); the 6th character Z is the Equipment (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of F15Z4ZZ?
Under the General Equivalence Mappings, Sinusoidal Vertical Axis Rotational Assessment crosswalks to ICD-9-PCS 95.45 (Rotation tests). The mapping is approximate, so confirm it fits the documentation.
