Summary & Overview
HCPCS G9173: Voice Functional Limitation, Discharge Status
HCPCS Level II code G9173 documents a patient’s voice functional limitation at discharge from therapy or at the end of a reporting period. The code captures functional status information relevant to speech-language pathology, specifically voice therapy outcomes, and supports standardized reporting of patient progress and discharge condition. Nationally, consistent use of such functional-status codes aids quality measurement, care coordination, and longitudinal outcome tracking for voice disorders.
Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what the code represents, typical clinical settings and service types, and context about its role in outcome reporting across outpatient and hospital-based therapy services. The publication summarizes benchmarks, expected documentation elements, and policy considerations related to functional-status reporting, and it outlines clinical context for voice therapy discharge assessments. Data not available in the input for payor-specific reimbursement, common modifiers, associated taxonomies, ICD-10 pairings, and related codes is noted where applicable.
Billing Code Overview
HCPCS Level II code G9173 denotes voice functional limitation, discharge status at discharge from therapy or to end reporting. This code is used to capture the patient’s functional voice status at the time of discharge from speech-language pathology or voice therapy services.
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Service type: Speech-language pathology / voice therapy outcome reporting
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Typical site of service: Outpatient therapy clinics, hospital-based therapy departments, and other ambulatory therapy settings where voice therapy is provided
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient completes a course of outpatient speech-language pathology for dysphonia following radiation therapy for laryngeal cancer. At discharge, the speech-language pathologist documents persistent functional voice limitations affecting work and social participation despite therapeutic interventions. The therapist completes discharge summary documentation that quantifies voice functional limitation, records progress toward goals, and assigns a final functional status code for reporting.
The clinical workflow includes: initial evaluation with objective and patient-reported measures (e.g., voice handicap index), periodic treatment sessions documenting changes in vocal quality and function, interdisciplinary communication with the treating otolaryngologist and oncologist, and a formal discharge visit where the clinician records the discharge status using the billing code G9173 to indicate voice functional limitation at the end of the episode of care. This code is used for administrative reporting of functional outcomes at discharge from therapy services provided in outpatient therapy clinics, hospital-based outpatient departments, skilled nursing facilities, or home health therapy when voice therapy is delivered.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
59 | Distinct procedural service | When another service/procedure performed on the same day is distinct and separate from the discharge functional status reporting. |