F13Z8ZZTone Decay Assessment
- Billable / Specific Code
F13Z8ZZ is a billable ICD-10-PCS procedure code for Tone Decay Assessment. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Hearing Assessment involves measurement of hearing and related functions.
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 | 3 | Hearing Assessment |
| 4 | BodySystem/Region | Z | None |
| 5 | TypeQualifier | 8 | Tone Decay |
| 6 | Equipment | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for F13Z8ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About F13Z8ZZ
Is F13Z8ZZ a billable code?
Yes. F13Z8ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Tone Decay Assessment on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in F13Z8ZZ mean?
F13Z8ZZ 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 3 is the Type (Hearing Assessment); the 4th character Z is the BodySystem/Region (None); the 5th character 8 is the TypeQualifier (Tone Decay); the 6th character Z is the Equipment (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of F13Z8ZZ?
Under the General Equivalence Mappings, Tone Decay Assessment crosswalks to ICD-9-PCS 95.46. The mapping is approximate, so confirm it fits the documentation.
