Voice Therapy
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Defines medical necessity and coverage criteria for voice therapy provided by qualified speech-language pathologists for members, and lists supporting CPT and ICD-10 codes. Applies to Health Net of California/Centene plan administration.
No material clinical or coverage changes in this revision.
Coverage Criteria for Voice Therapy
Medically Necessary Indications
Covered when ANY of the following indications are present and therapy is provided by a qualified speech-language pathologist:
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Each listed indication supports medical necessity if therapy is provided by a qualified speech-language pathologist.
Not Medically Necessary
Explicit exclusion in policy.
Voice therapy provided to improve voice quality for transient inflammation such as laryngitis, or when sought solely for occupational or recreational reasons, is excluded from coverage. The policy explicitly states that such uses are not medically necessary and therefore are not eligible for coverage under this clinical policy.
For clarity, voice therapy intended only to enhance voice quality in the setting of laryngitis or for nonmedical goals related to a member’s occupation or recreational activities is considered not medically necessary and will be denied as an excluded use.
CPT/HCPCS and ICD-10 Codes
| 92507 | Treatment of speech, language, voice, communication, and/or auditory processing disorder; individual |
| 92508 | Treatment of speech, language, voice, communication, and/or auditory processing disorder; group, two or more individuals |
| 92521 | Evaluation of speech fluency (e.g., stuttering, cluttering) |
| 92522 | Evaluation of speech sound production (e.g., articulation, phonological process, apraxia, dysarthria) |
| 92523 | Evaluation of speech sound production with evaluation of language comprehension |
| 92524 | Behavioral and qualitative analysis of voice and resonance |
| G0153 | Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutes |
| D14.1 | Benign neoplasm of larynx [benign vocal fold lesions] |
| J38.00 | Paralysis of vocal cords and larynx (unspecified) |
| J38.01 | Paralysis of vocal cord |
| J38.02 | Paralysis of larynx |
| J38.2 | Nodules of the vocal cords |
| C32.x | Malignant neoplasm of the larynx |
| S19.38x+ | Other specified injuries of vocal cord |
| F64-F64.9 | Gender identity disorder (used here to support gender affirming services) |
| Z85.21 | Personal history of malignant neoplasm of larynx |
| R49.0 | Functional dysphonia |
Provider Actions, Prior Authorization & Documentation
Prior authorization may be required — verify member benefits and codes
Check the member's benefit documents and plan-specific requirements before submitting claims; the CPT codes listed in this policy are informational and inclusion does not guarantee coverage. Obtain prior authorization when required by the member's plan.
- CPT codes listed in this policy are for informational purposes only and are not all-inclusive.
- Providers should reference current professional coding guidance prior to claim submission.
- Obtain prior authorization if the member's plan requires it.
Clinical sequencing — voice therapy is often first-line
Voice therapy is commonly the initial treatment for benign vocal fold lesions and is often used as first-line or adjunctive therapy for unilateral vocal fold paralysis; successful response to therapy can obviate the need for surgery in some patients.
- Voice therapy is often considered the initial treatment choice for benign lesions and may inform the decision for surgery and optimize surgical outcomes.
- For unilateral vocal fold paralysis, preoperative voice therapy improves voice outcomes in >50% of patients and may render surgery unnecessary.
Coding and documentation guidance — reference current CPT and support medical necessity
Use current CPT manuals and coding guidance when selecting procedure codes and maintain documentation that supports medical necessity consistent with the member's benefit terms; coverage decisions are based on submitted documentation and applicable plan and legal requirements.
- CPT codes and descriptions are from current manuals and are included for informational purposes only.
- Providers should reference the most up-to-date professional coding guidance prior to claim submission.
- Coverage decisions are subject to member benefit documents, state/federal requirements, and plan administrative policies.
Not medically necessary uses — laryngitis and occupational/recreational purposes
Voice therapy to improve voice quality for conditions such as laryngitis or when provided for occupational or recreational voice enhancement is considered not medically necessary and may be denied.
- The policy explicitly excludes voice therapy to improve voice quality due to laryngitis.
- Voice therapy for occupational or recreational purposes is not medically necessary.
Background
Voice disorders may affect pitch, loudness, resonance, quality or duration of the voice and arise from abnormalities of the larynx, respiratory system, or vocal tract. They can result from surgical procedures, trauma, neurologic conditions, benign lesions, paralysis, or functional disorders. Voice therapy—delivered by a qualified speech-language pathologist—targets vocal hygiene, production, muscle relaxation, and respiratory support to improve these parameters and is indicated for specific clinical conditions such as post‑surgical vocal cord changes, laryngeal carcinoma recovery, paradoxical vocal cord motion, spasmodic dysphonia, vocal fold nodules/lesions, vocal cord paralysis, and as part of gender-affirming services.
Definitions
Revision History
Policy initial approval and effective date established (Initial Approval).
Update with no revisions recorded on 4/11.
Coding updates performed (coding updates noted in 2/12).
Additional coding updates recorded across 2/13–2/16 timeframe (listed as coding updates).
Policy placed on new template and approved (9/17).
Update with no revisions (9/18).
Updated to include gender affirming services and an added code (02/19).
References updated (02/20).
Updated CPT codes and revised terminology from 'gender reassignment' to 'gender affirming' services (02/21).
References updated (02/22).
Added D141 to ICD-10 codes supporting coverage criteria (02/23).
Added functional dysphonia to ICD-10 codes supporting coverage criteria (03/24).
No updates recorded during the 03/25 review.
Annual review completed (03/26).
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