F13ZF4ZEustachian Tube Function Assessment using Electroacoustic Immitance / Acoustic Reflex Equipment

Physical Rehabilitation and Diagnostic Audiology›Diagnostic Audiology›Hearing Assessment
  • Billable / Specific Code
ICD-10-PCS F13ZF4Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

F13ZF4Z is a billable ICD-10-PCS procedure code for Eustachian Tube Function Assessment using Electroacoustic Immitance / Acoustic Reflex Equipment. 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

ICD-10-PCS Code
F13ZF4Z
Billable Status
Yes — Valid for Submission
Code Describes
Eustachian Tube Function Assessment using Electroacoustic Immitance / Acoustic Reflex Equipment
Parent Code
F13
Short Description
Eustach Tube Funct Assess w Acoust Immit/Reflex Equip

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.

PositionDesignationValueMeaning
1SectionFPhysical Rehabilitation and Diagnostic Audiology
2Section Qualifier1Diagnostic Audiology
3Type3Hearing Assessment
4BodySystem/RegionZNone
5TypeQualifierFEustachian Tube Function
6Equipment4Electroacoustic Immitance / Acoustic Reflex
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for F13ZF4Z under the General Equivalence Mappings.

95.46
Approximate match.

Similar Procedure Codes

Questions About F13ZF4Z

Is F13ZF4Z a billable code?

Yes. F13ZF4Z is a complete seven-character ICD-10-PCS code, specific enough to report Eustachian Tube Function Assessment using Electroacoustic Immitance / Acoustic Reflex Equipment on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in F13ZF4Z mean?

F13ZF4Z 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 F is the TypeQualifier (Eustachian Tube Function); the 6th character 4 is the Equipment (Electroacoustic Immitance / Acoustic Reflex); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of F13ZF4Z?

Under the General Equivalence Mappings, Eustachian Tube Function Assessment using Electroacoustic Immitance / Acoustic Reflex Equipment crosswalks to ICD-9-PCS 95.46. The mapping is approximate, so confirm it fits the documentation.