CurrentBlue Cross Blue Shield - Rhode IslandPolicy N/A

Speech Therapy Services — Coverage Criteria

Defines coverage, coding, and clinical stance for speech therapy and related devices for BCBSRI members, including distinctions for commercial and Medicare Advantage products and exclusions for autism/feeding disorder cases.

Policy Summary

PayerBlue Cross Blue Shield - Rhode Island

PolicySpeech Therapy Services — Coverage Criteria

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateN/A

Next Review DateN/A

Key ActionAppend GN modifier to listed CPT codes to indicate outpatient speech therapy services.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

92507–92618, V5362–V5364Covered codes

Not medically necessaryFluency devices

ExcludedAutism/feeding

Denials (from 2026-02-15)ICD-10 7th 'A'

Coverage Criteria for Speech Therapy

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Commercial Products: Child/EIS and service exclusions

Commercial-specific provisions and limitations

Commercial product limitations: If a child (birth to age 3) is receiving speech therapy as part of Early Intervention Services (EIS), additional commercial speech therapy services are not covered. If not receiving EIS, speech services are covered.

Group training sessions or speech programs (e.g., Hanen Program) are not covered as they are educational. Speech therapy is allowed in the home when rendered as part of a home‑care program.

Fluency-enhancing devices (not medically necessary)

Device-specific coverage stance

Fluency device coverage: Fluency‑enhancing devices used in the treatment of stuttering (including but not limited to SpeechEasy, Fluency Master, Pocket Speech Lab, Basic Fluency System) are considered not medically necessary due to insufficient evidence to establish improved health outcomes or long‑term efficacy.

Small uncontrolled case series report short‑term decreases in stuttering for some individuals, but well‑designed randomized controlled trials and long‑term efficacy data are lacking.

This policy does not apply to speech services provided to members with a diagnosis of autism or to those who have a feeding disorder; refer to the related policy sections for applicable guidance. For Commercial Products, when a child from birth through age 3 is receiving speech therapy as part of Early Intervention Services (EIS), additional commercial speech therapy services are not covered; if the child is not receiving EIS, speech services are covered per benefits. Group training sessions or speech programs (for example, the Hanen Program) are not covered because they are considered educational rather than medically necessary clinical services.

Fluency-enhancing devices used in the treatment of stuttering are considered not medically necessary due to insufficient evidence of improved health outcomes. Examples include, but are not limited to, the SpeechEasy and Fluency Master. Other devices described in the literature include the Pocket Speech Lab and the Basic Fluency System; these devices employ forms of altered auditory feedback (AAF) such as delayed auditory feedback (DAF) and frequency-shifted auditory feedback (FAF), or combinations of AAF and biofeedback modalities.

Billing and Coding

Covered CPT and V CodesCPTCovered

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, 2 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 (e.g., articulation, phonological process, apraxia, dysarthria); with evaluation of language comprehension and expression
92524	Behavioral and qualitative analysis of voice and resonance
92597	Evaluation for use and/or fitting of voice prosthetic device to supplement oral speech
92607	Evaluation for prescription for speech-generating augmentative and alternative communication device, face-to-face; first hour
92608	Evaluation for prescription for speech-generating augmentative and alternative communication device, face-to-face; each additional 30 minutes
92609	Therapeutic services for the use of speech-generating device, including programming and modification

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ICD-10 7th character 'A' prohibition

Denial ruleProfessional claims for speech therapy services that include an ICD-10 diagnosis code requiring the 7th character 'A' in any position will be denied (effective February 15, 2026).

Scope of denialIf a modality procedure code is submitted on the same date of service, by the same provider, and with the same diagnosis code as the therapy procedure code, the modality claim line will also deny.

Affected claim typesProfessional claims for speech therapy (ST) services and associated modality lines when the same diagnosis code is used.

Provider Actions and Billing Rules

Prior Authorization

Not applicable

Billing Rule

EIS coordination — Early Intervention Services (EIS)

When a child from birth to the age of 3 is receiving speech therapy services as part of an early intervention service (EIS), additional speech therapy services are not covered. When a child is not receiving speech therapy services as part of an EIS, speech services are covered.

Commercial products: applies to members in commercial product lines.
Speech therapy provided as part of EIS precludes additional billed speech therapy for the same child.

Billing Rule

Modifier requirement — GN modifier for outpatient ST services

To ensure proper claim filing, when any of the listed CPT codes for speech therapy are filed the GN modifier must be appended to distinguish services delivered under an outpatient speech therapy plan of care.

Append modifier GN to outpatient speech therapy CPT codes to identify discipline when billing.

Denial Risk

ICD-10 7th-character 'A' denial rule

Effective February 15, 2026, professional claims for speech therapy services that include an ICD-10 diagnosis code requiring the seventh character 'A' in any position will be denied. If a modality procedure code is submitted on the same date of service, by the same provider, and with the same diagnosis code as the therapy procedure code, the modality claim line will also deny.

Denial applies to any professional claim line containing an ICD-10 code that requires a 7th-character 'A' in any position.
Modality claim lines submitted with the same diagnosis on the same date by the same provider will also deny.

Definitions

Speech therapy

DefinitionSpeech therapy: treatment of communication impairment and swallowing disorders through assessment, diagnosis, and rehabilitation; facilitates development and maintenance of human communication and swallowing.

ProvidersServices must be provided by qualified, licensed providers as specified by member contract and policy.

ExclusionsThis policy is not applicable for speech services for members with a diagnosis of autism or a feeding disorder; see related policies for those situations.

Altered auditory feedback (AAF)

DefinitionAltered auditory feedback (AAF): techniques that modify auditory input to enhance fluency, including delayed auditory feedback (DAF), frequency-shifted auditory feedback (FAF), and masking auditory feedback (MAF).

Mechanisms proposedAAF is based on the 'choral effect' where speaking in unison improves fluency; proposed mechanisms include distraction, altered auditory processing, or modified vocalization, but no definitive mechanism is identified.

ExamplesDAF delays the user's voice to their ears; FAF alters the pitch of the user's voice; MAF synthesizes a masking sound triggered by a laryngeal microphone and played back via an earpiece.

Background and Rationale

Speech therapy encompasses assessment, diagnosis, and rehabilitation of communication and swallowing disorders to facilitate development and maintenance of function. Treatment approaches include standardized assessment and individualized therapeutic interventions delivered by qualified clinicians. One modality proposed for stuttering is altered auditory feedback (AAF)—for example, delayed auditory feedback (DAF) and frequency-shifted auditory feedback (FAF)—which aims to recreate the choral effect and can be delivered via wearable devices. Devices such as SpeechEasy, Fluency Master, Pocket Speech Lab, and the Basic Fluency System use DAF, FAF, amplification of vocal tone, and in some cases vocal-tension biofeedback to attempt reduction in stuttering; however, published evidence is limited to small uncontrolled series and insufficient to establish long-term efficacy compared with standard speech therapy.