CurrentBlue Cross Blue Shield of VermontPolicy 8.03.VT04

Speech Language Pathology/Therapy Services Corporate Medical Policy

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Coverage and medical necessity for evaluation and treatment of swallowing, speech-language, and cognitive-communication disorders, including certain autism spectrum disorder services, subject to applicable benefit limits and exclusions.

Policy Summary

PayerBlue Cross Blue Shield of Vermont

PolicySpeech Language Pathology/Therapy Services Corporate Medical Policy

Policy CodePolicy 8.03.VT04

Change TypeFormatting clarificationno material clinical or coverage change

Effective DateOctober 1, 2026

Last ReviewJun 1, 2026

Next Review DateJune 1, 2027

Key ActionMaintain a written plan of care, update it as the member’s condition changes, and obtain physician recertification at least every 30 days.

SourceLink

POLICY UPDATE CHANGES

The June 2026 policy review reported formatting changes for clarity and consistency with no change to the policy statement.

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CurrentBlue Cross Blue Shield of VermontPolicy 8.03.VT04

Speech Language Pathology/Therapy Services Corporate Medical Policy

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Policy Summary

PayerBlue Cross Blue Shield of Vermont

PolicySpeech Language Pathology/Therapy Services Corporate Medical Policy

Policy CodePolicy 8.03.VT04

Change TypeFormatting clarificationno material clinical or coverage change

Effective DateOctober 1, 2026

Last ReviewJun 1, 2026

Next Review DateJune 1, 2027

Key ActionMaintain a written plan of care, update it as the member’s condition changes, and obtain physician recertification at least every 30 days.

SourceLink

POLICY UPDATE CHANGES

The June 2026 policy review reported formatting changes for clarity and consistency with no change to the policy statement.

30Combined habilitative or rehabilitative outpatient sessions per plan year

3Evaluation sessions

1 hourMaximum daily speech therapy session

30 daysPlan-of-care physician recertification

92508Non-covered group communication service

Medical Necessity and Coverage Criteria

General SLP medical necessity

SLP services are covered when ALL of the following are met.

ALL required conditions

ALL of the following
- Services treat a communication impairment or swallowing disorder due to a covered injury, illness, disease, congenital anomaly, or prior therapeutic intervention and are appropriate treatment for the condition.
- Services restore or improve the functional needs of a patient with a communication disability or swallowing disorder.
- Treatment is expected to produce significant, practical improvement in the patient's functioning within a reasonable and generally predictable period, or is necessary to establish a safe and effective maintenance program.Significant practical improvement or establishment of a safe and effective maintenance program
  Treatment should be directed toward restoration or compensation for lost function, and improvement potential must be significant in relation to the extent and duration of therapy required.
- Treatment is rendered by a qualified provider who is licensed and certified where required and practices within the provider's scope of practice.
- Services are accepted under current medical practice as a specific and effective treatment for the patient's existing condition.
- The complexity and sophistication of the treatment and the patient's condition require the judgment and knowledge of a speech-language pathologist.
- Services do not duplicate those provided by another therapy, particularly occupational therapy.

Qualifying disorders

Evaluation and treatment may be considered medically necessary for an applicable qualifying condition.

ANY applicable qualifying disorder or condition

Dysphagia (difficulty in swallowing).
Dysphasia (impairment of speech involving lack of coordination and failure to arrange words in their proper order).
Dysarthria (impairment of articulation).
Aphasia (impairment of the power of expression by speech, writing, or symbols, or of comprehending spoken or written language).
Apraxia (inability to perform purposeful movement in the absence of paralysis or another motor or sensory impairment).

Autism spectrum disorder speech therapy

ASD speech therapy may be considered medically necessary when ALL of the following are met.

ALL ASD criteria

The individual has a documented Diagnostic and Statistical Manual of Mental Disorders (DSM-5) diagnosis of autism spectrum disorder and/or moderate to severe intellectual disability.Documented DSM-5 ASD diagnosis and/or moderate to severe intellectual disability
The individual has a history of clinically significant impairment that interferes with the ability to negotiate the environment, communicate, learn, and/or demonstrate appropriate social behavior, which may include impaired speech, language, and/or communication.
The parent(s) and/or caregiver(s) are willing and able to participate in and follow the training and support incorporated into the treatment plan.
Therapy is rendered by, or under the direction of, a healthcare provider appropriately licensed to perform the therapy and eligible under the member's benefit contract.

Continued habilitative or rehabilitative services

Additional habilitative or rehabilitative services may be considered when ANY of the following improvement conditions is met, provided the policy's other criteria continue to apply.

ANY applicable improvement condition

Objective documentation shows ongoing clinically significant functional improvement.
Progress must be documented using objective, measurable, valid, reliable, repeatable, and evidence-based measures.
There is a medically reasonable expectation that additional treatment will lead to additional clinically significant functional improvement.
Progress must be documented using objective, measurable, valid, reliable, repeatable, and evidence-based measures.

Eligible services subject to criteria

The following services will be considered medically necessary when applicable criteria have been met.

Applicable medical-necessity criteria: Listed services are considered medically necessary only when the applicable policy medical-necessity criteria have been met.

Services that do not meet the general medical-necessity criteria are not medically necessary. Examples include treatment of conversion disorder, selective mutism, anxiety, psychotic conditions, self-correcting hoarseness, natural childhood dysfluency or developmental articulation errors, stammering or stuttering, and functional dysphonia.

The following services are not medically necessary: instruction of other professional personnel in the member’s speech-language pathology treatment program; collaboration with other professional personnel or community resources; inpatient admission when the sole purpose is to receive speech-language pathology treatment; and duplicate occupational therapy and speech-language pathology treatment. Occupational therapy and speech-language pathology must use separate treatment plans and goals and must not duplicate the same treatment.

Benefit exclusions include biofeedback and self-care or self-help training; cognitive training or retraining and educational programs; communication or augmentation devices; equipment or treatment primarily intended for occupational, recreational, vocational, hobby, or academic activities; treatment for developmental delay, except mandated autism spectrum disorder treatment up to age 21; custodial care; educational or individualized education program services; unattended or unsupervised services; and services beyond those needed to restore activities of daily living.

Care is excluded when there is no therapeutic benefit or likelihood of improvement, or when the duration of care is based on a predetermined period rather than the member’s condition, treatment results, or medical progress. Additional habilitative or rehabilitative services require objective documentation of ongoing clinically significant functional improvement or a medically reasonable expectation that further treatment will produce additional clinically significant improvement.

Treatment of speech, language, voice, communication, or auditory processing disorders for a group of 2 or more individuals is identified as a non-covered benefit exclusion under CPT 92508.

Maintenance therapy is not medically necessary once therapeutic goals have been achieved and no further functional progress is apparent or expected. Maintenance techniques should be taught during the active rehabilitation program rather than provided as a separately covered maintenance program.

Routine repetitions, drills, techniques, or exercises that preserve the member’s current function or prevent regression are not medically necessary when they do not require the skill of a qualified speech-language provider. This includes procedures that can be performed effectively by the member, family, or caregiver without skilled provider involvement.

Covered Services, Codes, and Benefit Limits

Eligible audiometry codesCPTCovered

0208T	Pure tone audiometry (threshold), automated; air only.
0209T	Pure tone audiometry (threshold), automated; air and bone.
0210T	Speech audiometry threshold, automated; with speech recognition.
0211T	Comprehensive audiometry threshold evaluation and speech recognition (0209T, 0211T combined), automated.
0212T	Speech audiometry threshold, automated.

Non Covered Benefit ExclusionCPTNot Covered

92508

Treatment of speech, language, voice, communication, and/or auditory processing disorder; group, 2 or more individuals.

Eligible HCPCS speech therapy servicesHCPCSCovered

G0153	Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutes.
S9128	Speech therapy, in the home, per diem.
S9152	Speech therapy re-evaluation.

Required coding modifiersModifier

-96	Habilitative Services.
-GN	Services delivered under an outpatient speech language pathology plan of care.

Speech Therapy Revenue CodesRevenue

0441	Speech Therapy Revenue Codes.
0442	Speech Therapy Revenue Codes.
0444	Speech Therapy Revenue Codes.
0449	Speech Therapy Revenue Codes.
0979	Speech Therapy Revenue Codes.

Combined PT/OT/ST outpatient visit limit

Habilitative limitUp to 30 outpatient sessions per plan year

Rehabilitative limitUp to 30 outpatient sessions per plan year

Combined servicesLimits apply to PT, OT, and ST visits combined; applicable contract limits may vary

Speech therapy session

Daily maximumUp to one hour of speech therapy treatment and/or evaluation on any given day

Multiple sessions

Documentation, Billing, and Denial Risks

Documentation Required

Maintain and Recertify the Plan of Care

Maintain a written plan of care, update it as the member’s condition changes, and obtain physician recertification at least every 30 days.

Include specific long- and short-term goals, measurable objectives, a reasonable goal-completion estimate, treatment techniques or exercises, and treatment frequency and duration.

Documentation Required

Document Measurable Progress

Document objective, clinically significant progress toward functional-improvement goals. Continued habilitative or rehabilitative services require evidence that progress is occurring or that additional treatment is reasonably expected to produce further significant improvement.

Use measurement methods that are valid, reliable, repeatable, and evidence based.
Do not continue services without objective documentation of ongoing improvement or a reasonable expectation of additional improvement.

Speech-Language Pathology Services

Speech-language pathology services assess and treat swallowing, speech-language, and cognitive-communication disorders through diagnosis, rehabilitation, and development or maintenance of communication and swallowing. Covered treatment is directed toward restoring or compensating for lost function caused by disease, trauma, congenital anomaly, or prior therapeutic intervention. Services may be habilitative when they help a person acquire a skill or function never learned, or rehabilitative when they help regain or prevent deterioration of a previously acquired skill.

Clinical and Benefit Terms

Dysphagia

TermDysphagia

DefinitionDifficulty in swallowing

Policy contextThe treatment plan may address dysphagia resulting from disease, trauma, congenital anomalies, or therapeutic processes

Dysphasia

TermDysphasia

DefinitionImpairment of speech involving lack of coordination and failure to arrange words in their proper order

Evaluation contextSpeech-disorder evaluation may determine the cause of dysphasia

Policy Summary

PayerBlue Cross Blue Shield of Vermont

PolicySpeech Language Pathology/Therapy Services Corporate Medical Policy

Policy CodePolicy 8.03.VT04

Change TypeFormatting clarificationno material clinical or coverage change

Effective DateOctober 1, 2026

Last ReviewJun 1, 2026

Next Review DateJune 1, 2027

Key ActionMaintain a written plan of care, update it as the member’s condition changes, and obtain physician recertification at least every 30 days.

SourceLink

On This Page

Dysphonia or aphonia (inability or difficulty producing clear speech sounds from the larynx due to paralysis, paresis, or disease involving the vocal cords, larynx, pharynx, or oral-cavity nerves).

Speech-language delay in children due to documented acquired hearing loss.

Paradoxical vocal cord dysfunction.

Tongue thrust when a neuromuscular disorder is present.

The individual's progress toward the objectives of the treatment plan is measured on an ongoing basis for adjustment or refinement.

Multiple speech therapy sessions on the same day are applied collectively as a single daily session

Benefit applicationThe daily session applies to the combined PT/OT/ST session benefit limit

Evaluation sessions

Maximum evaluationsUp to three evaluation sessions are considered medically necessary

PurposeEvaluations may be used to evaluate the patient and develop a written plan of care

Coverage conditionEvaluation sessions remain subject to applicable medical-necessity criteria

Plan-of-care recertification

Recertification intervalAt least every 30 days

Responsible professionalRecertification must be completed by a physician

Plan updateThe plan of care should be updated as the member’s condition changes

ASD age threshold

ExemptionSpeech therapy for ASD is not subject to the combined 30 PT/OT/ST visit limit until the member reaches age 21

Age thresholdMembers under age 21 are exempt from the combined visit limit

At age 21Members who reach age 21 become subject to the combined PT/OT/ST 30-visit limit

Documentation Required

Complete Treatment Notes

For every billed service, maintain clear, legible treatment notes documenting the member’s symptoms, physical findings, provider assessment, and treatment modalities used.

Incomplete or unclear notes may result in the care being treated as a non-covered benefit exclusion.

Documentation Required

Document Provider and ASD Eligibility

Document that the provider is appropriately licensed, certified where required, eligible under the member’s benefit contract, and practicing within scope. For ASD-related services, retain the DSM-5 ASD and/or moderate-to-severe intellectual-disability diagnosis and documentation of the qualifying clinically significant impairment.

Document caregiver willingness and ability to participate when required by the ASD treatment criteria.
Services must be rendered by or under the direction of an appropriately licensed and eligible provider.

Billing Rule

Obtain a Self-Pay Agreement

Before rendering services that exceed coverage limits or are otherwise excluded or non-covered, obtain a self-pay agreement stating that the member will pay for the services. Retain the signed agreement in the member’s medical record.

Apply when the member elects to pay for visits beyond applicable limits, such as the combined 30-visit PT/OT/ST limit.
Also apply to excluded services, including care directed toward occupational, hobby, sports, leisure, or recreational activities, and other non-covered services.

Billing Rule

Use Modifier -96 for Habilitation

Report modifier -96 when providing habilitative services so the service accumulates to the applicable habilitative benefit.

Habilitative services help a member attain a skill or function never learned or acquired because of a disabling condition.

Billing Rule

Use Modifier -GN When Applicable

Report modifier -GN when speech therapy services are delivered under an outpatient speech-language pathology plan of care.

Denial Risk

Medical Necessity Criteria Must Be Met

Expect denial when SLP services do not treat a communication impairment or swallowing disorder caused by a covered injury, illness, disease, congenital anomaly, or prior therapeutic intervention, or otherwise fail the policy’s medical-necessity criteria.

Services must be appropriate, skilled, specific, and effective treatment requiring the judgment of a speech-language pathologist.
Treatment must be expected to produce significant practical improvement within a reasonable and predictable period, or be necessary to establish a safe and effective maintenance program.
Services must not duplicate treatment provided by another therapy.

Denial Risk

Avoid Non-Covered or Non-Skilled Treatment

Do not bill psychiatric or self-correcting conditions, maintenance programs, or care that does not require the skills and expertise of a qualified speech therapy provider as medically necessary SLP treatment.

Examples include conversion disorder, selective mutism, anxiety, psychotic conditions, hoarseness, natural dysfluency, developmental articulation errors, stammering or stuttering, and functional dysphonia.
Routine repetitions, drills, reinforced procedures, and exercises that can be performed effectively by the member, family, or caregiver are non-skilled or maintenance services.
Instruction or collaboration with other professionals or community resources, and inpatient admissions solely for SLP treatment, are also listed as not medically necessary.

Denial Risk

Separate OT and SLP Treatment

When a member receives both occupational therapy and SLP, provide different treatments with separate treatment plans and goals. Duplicate treatment is not covered.

Coordinate records and goals to demonstrate that SLP and OT services are distinct.

Denial Risk

Support Progress and Improvement Potential

Continued habilitative or rehabilitative services may be denied when objective records do not show ongoing clinically significant functional improvement or do not support a medically reasonable expectation of additional improvement.

Use objective measures tied to functional goals and update them throughout treatment.
Services that show no likelihood of improvement or no therapeutic benefit are excluded.

Denial Risk

Verify Benefit Exclusions and Plan Limits

Verify the member’s certificate, subscriber contract, and applicable plan documents before treatment. Coverage, visit limits, exclusions, and Vermont mandate applicability vary by product, group, and member status; contract language takes precedence when it conflicts with the policy.

Check applicable habilitative and rehabilitative limits, including the combined outpatient PT/OT/ST visit limit, and confirm whether ASD-related benefits or other exceptions apply.
Do not bill educational, vocational, recreational, custodial, occupational, hobby, leisure, or other excluded services as covered SLP treatment.
Contact the health plan or applicable FEP, NEHP/ABNE, ASO, employer, or customer-service resource when benefit status is unclear.

Denial Risk

Prepare for Audits

Maintain complete, legible, policy-compliant records. Blue Cross VT may audit any provider or facility and may recoup non-compliant payments identified through an audit.

Records should clearly support symptoms, findings, assessment, modalities, goals, objective progress, provider qualifications, and the plan of care.
Retain required self-pay agreements and other documentation in the medical record.

Denial Risk

CPT 92508 Is Non-Covered

Do not bill CPT 92508 as a covered benefit; the policy lists group communication treatment for two or more individuals as a non-covered benefit exclusion.

CPT 92508: communication and/or auditory processing disorder; group, two or more individuals.

Dysarthria

TermDysarthria

DefinitionImpairment of articulation

Evaluation contextSpeech-disorder evaluation may determine the cause of dysarthria

Aphasia

TermAphasia

DefinitionImpairment of the power of expression by speech, writing, or symbols, or of comprehending spoken or written language

Evaluation contextSpeech-disorder evaluation may determine the cause of aphasia

Apraxia

TermApraxia

DefinitionInability to perform purposeful movement in the absence of paralysis or another motor or sensory impairment

Evaluation contextSpeech-disorder evaluation may determine the cause of apraxia

Dysphonia/Aphonia

TermDysphonia/Aphonia

DefinitionInability or difficulty producing clear speech sounds from the larynx due to paralysis, paresis, or disease involving the vocal cords, larynx, pharynx, or oral-cavity nerves

Evaluation contextSpeech-disorder evaluation may determine the cause of aphonia

Habilitative services

TermHabilitative services

DefinitionServices provided to help a person attain a skill or function never learned or acquired because of a disabling condition

Functional focusHabilitation may address normal functions and skills needed for age-appropriate basic activities of daily living

Rehabilitative services

TermRehabilitative services

DefinitionServices provided to help a person regain, maintain, or prevent deterioration of a skill or function acquired but later lost or impaired because of illness, injury, or a disabling condition

Progress standardServices are evaluated using objective documentation of measurable progress toward functional improvement goals

Rehabilitative services — applicable benefit definition

TermRehabilitative services

Applicable benefit definitionServices delivered to improve or restore function in accordance with the applicable benefit

Coding contextRehabilitative services are reported under the applicable benefit so the service accumulates to the correct benefit

Habilitative services — functional ability and modifier -96

TermHabilitative services

Functional-ability definitionServices provided to develop functional abilities

Required modifierReport modifier -96 so the service accumulates to the correct benefit