CurrentBlue Cross Blue Shield - IowaPolicy N/A

Treatment of Speech and Language Disorders — Coverage Criteria

Criteria and documentation requirements for coverage of speech and voice therapy services provided by speech-language pathologists, including initial and ongoing therapy, for Wellmark/Blue Cross Blue Shield - Iowa members.

Policy Summary

PayerBlue Cross Blue Shield - Iowa

PolicyTreatment of Speech and Language Disorders — Coverage Criteria

Policy CodePolicy N/A

Change TypeNo material clinical or coverage changes

Effective DateMay 2023

Next Review DateMay 2025

Key ActionObtain prior approval and provide required standardized testing or equivalent documentation with objective goals and progress reports.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

Prior approval requiredadministrative requirement

Children >3: ≥12 mo delaypediatric threshold

≥10 itemsrequired progress report items

Listednot medically necessary examples

92507,92508,S9152key codes

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Annualreview cadence

Coverage and Medical Necessity Criteria

Medical Necessity Criteria

Covered when ALL of the following are met for initial or ongoing speech/voice therapy as specified below

Initial Speech Therapy: Speech therapy may be considered medically necessary when related to a specific injury, illness, impairment, or disease involving the mechanics of language, phonation, or articulation (examples: autism spectrum disorders; brain injury or insult due to cerebrovascular accident or trauma influencing the speech center; developmental apraxia of speech; developmental disorders including articulation disorder, expressive language disorder, phonological process disorders, or receptive language disorder).

See policy for full list of indications.

Documentation Required for Initial Therapy: For developmental apraxia of speech: results from diadochokinetic testing and an oral motor examination including range of motion, strength, impaired coordination, groping and oral management of food. For other diagnoses: results from standardized testing (or equivalent) that measures overall receptive, expressive language and/or articulation reported as standard scores or age equivalencies for pediatric assessments or deficit determinations for adults, plus objective short- and long-term goals.

Standardized testing required except where nonstandardized testing is addressed by policy.

Initial Voice Therapy: Voice therapy may be considered medically necessary when related to a specific injury, illness, anatomic abnormality, neurological condition (except Parkinson's), or post vocal cord surgery; the voice exam must include documentation from direct visualization (e.g., videostroboscopy, flexible laryngoscopy) of the vocal cords and a voice evaluation documenting breath support, loudness, pitch, quality, and respiration.

See voice exam and evaluation component requirements.

Ongoing Speech/Voice Therapy: Ongoing therapy may be considered medically necessary when the initial medical necessity criteria are met and the policy guideline progress report requirements have been satisfied, including documentation of functional progress, changes in prognosis/plan/goals with rationale, and objective measures correlating to the goals. Specific ongoing voice therapy indications (chronic cough, paradoxical vocal cord motion, Parkinson's) require reviewer (speech pathologist or physician) evaluation.

Progress report requirements specified in policy guidelines.

Required Assessment Reporting

Assessment and documentation criteria for evaluation

Assessment documentation: Provide standardized or criterion-referenced testing results with appropriate reported metrics for the domains evaluated (e.g., index/composite scores, receptive/expressive indexes, core language scores, age-equivalent scores where available, or narrative severity levels for criterion-referenced measures).See individual test entries (many report normal ranges of 85–115; some provide age equivalents)

Assessment reports should include the specified score types or index/composite scores and age-equivalent scores where noted for each standardized test.

The policy excludes services that are primarily educational or that support an academic program (for example, reading and writing instruction). It also identifies as not medically necessary interventions that are wholly computerized or driven solely by artificial intelligence (fully computerized/AI speech therapy), treatments for voice dysphoria, and non‑specific electrical stimulation methods for dysphagia (e.g., DPNS, Vita‑Stim). Additionally, therapy that can be performed at home without the specialized skills of a speech‑language pathologist (such as simple word drills, basic use of communication boards/apps, or training others rather than direct patient therapy) is considered not medically necessary.

Screening instruments used after traumatic brain injury (for example, the Mini‑Mental State Examination, MoCA, SLUMS, or SCAT) may be used as supplemental measures to help quantify deficits, but the policy specifies that these tools do not qualify as standardized testing on their own and therefore cannot substitute for a full standardized assessment when that is required for coverage.

Speech and voice therapy is considered not medically necessary for chronic neurocognitive disorders such as Alzheimer's disease and other persistent disorders of memory or orientation. The policy also lists other explicit NMN examples including fully computerized/AI speech therapy, voice dysphoria, programs that are primarily educational in nature, non‑specific electrical stimulation for dysphagia (e.g., DPNS, Vita‑Stim), and therapy that can be performed at home without SLP skills. Claims may also be denied when documentation requirements are not met, when the treatment goal is instruction of others, or when functional progress is not supported or has plateaued.

Coding, Scores and Test Thresholds

Covered CPT/HCPCS CodesmixedCovered

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.
S9152	Speech therapy, re-evaluation.

Pediatric delay threshold — Children >3 years: minimum 12 months difference or standard score threshold for coverage

Age and test availabilityApplies to children older than 3 years when standardized testing is used or when nonstandardized testing cannot substitute

Minimum delay thresholdMinimum 12-month difference between chronological age and age-equivalency on standardized tests in any one language area

Alternative thresholdStandard score at least one standard deviation below the normal range on the standardized instrument used

Use of single-area testsLanguage tests measuring only a specific area (e.g., receptive vocabulary) may be used only as supplemental measures

Standard score normal range — Common normal range reported for many standardized tests

Common normal range

Provider Requirements, Prior Authorization, and Documentation

Prior Authorization

Prior Authorization Required

Prior approval is required for speech therapy services.

Affected services: speech therapy, voice therapy, re-evaluations

Billing Rule

Coding and Prior Authorization

Use the following codes when reporting speech therapy services and follow payer submission rules to avoid claim denial or processing delays.

CPT 92507 — Treatment of speech, language, voice, communication, and/or auditory processing disorder; individual
CPT 92508 — Treatment of speech, language, voice, communication, and/or auditory processing disorder; group, two or more individuals

Background and Clinical Context

Speech‑language pathology encompasses the evaluation, diagnosis, and treatment of communication impairments that arise from illness, trauma, disease, or congenital anomaly. This includes disorders of articulation, apraxia, phonology, voice, cognition, receptive and expressive language, and auditory processing. Interventions are intended for episodes where there is a reasonable expectation of significant improvement within a generally predictable timeframe and are delivered by qualified speech‑language pathologists.

Evaluations typically document specific impairments (for example, aphasia or apraxia/dyspraxia), quantify deficits with standardized or criterion‑referenced measures, and establish objective short‑ and long‑term functional goals. For voice disorders, assessment often includes direct visualization (videostroboscopy or flexible laryngoscopy) and measurement of breath support, loudness, pitch, and quality.

Therapy aims to restore or improve communication and swallowing function through individualized, evidence‑based techniques; services that are instructional for caregivers or that could be performed at home without SLP expertise are outside the scope for medically necessary therapy under this policy.

Key Terms and Test Descriptions

Aphasia — Definition and common syndromes (Broca's, Wernicke's, conduction, transcortical variants)

Core definitionAphasia is a disorder of language expression, comprehension, or both; classified by syndromes based on fluency, comprehension and repetition

Broca's syndromeNon-fluent speech, intact comprehension, poor repetition skills

Wernicke's syndromeFluent speech, poor comprehension, poor repetition skills

Conduction syndromeFluent speech, intact comprehension, poor repetition skills

Transcortical variantsTranscortical motor: nonfluent speech, intact comprehension and intact repetition; Transcortical sensory: fluent speech, poor comprehension and intact repetition

Apraxia/dyspraxia — Definition: difficulty forming words despite intact oral/facial muscle use

Policy Summary

PayerBlue Cross Blue Shield - Iowa

PolicyTreatment of Speech and Language Disorders — Coverage Criteria

Policy CodePolicy N/A

Change TypeNo material clinical or coverage changes

Effective DateMay 2023

Next Review DateMay 2025

Key ActionObtain prior approval and provide required standardized testing or equivalent documentation with objective goals and progress reports.

SourceLink

On This Page

85-115 (reported for many standardized language, pragmatic, and cognitive tests)

Reported score typesIndex/composite scores (e.g., Core Language Score, Receptive/Expressive Indexes)

Age-equivalent availabilitySome tests (e.g., OWLS, PLS-5) provide age-equivalent scores for receptive and expressive domains

Tests coveredExamples include CASL, CELF/CELF-P, OWLS, PLS-5, TELD-4, CAPS, BADS, RBANS

HCPCS S9152 — Speech therapy, re-evaluation

Denial Risk

Home-based Non‑specialized Therapy

Therapy that can be performed at home without the skills of a speech‑language pathologist (e.g., basic word drills, non‑specialized practice on communication boards or apps, instruction of others) is considered non‑specialized and not medically necessary.

Documentation Required

Required Evaluation and Documentation

Initial evaluation must include standardized testing results (or equivalent) that quantify receptive, expressive language and/or articulation deficits (standard scores, age equivalents, or adult determinations as applicable), oral motor exam and diadochokinetic testing for developmental apraxia of speech, clear short‑ and long‑term objective goals, and evidence that services require the skills of a qualified speech‑language pathologist.

For developmental apraxia of speech include: diadochokinetic (maximum repetition) testing and oral motor exam documenting ROM, strength, coordination, groping, and oral management of food
Standardized test reporting: provide index/composite scores (e.g., Core Language, Receptive/Expressive Indexes) or age‑equivalents as applicable

Documentation Required

When Standardized Testing Is Unavailable / Pediatric Thresholds

If standardized testing cannot be administered, nonstandardized assessments must still quantify impairment and functional communication skills. Pediatric thresholds: children >3 years should demonstrate either an age‑equivalence gap of ≥12 months in a language area or a standard score at least one standard deviation below the mean to support medical necessity.

Documentation Required

Assessment Reporting Requirements

Assessment reports should include the specific score types or indices required by the instrument used (e.g., Core Language Score, Receptive Language Index, Expressive Language Index, age‑equivalents where applicable) and narrative functional descriptions; lack of required score types or failure to include objective baseline and progress measures may lead to denial.

Provide index/composite scores or age‑equivalents as noted by test (see standardized tests list)
Include functional statements, baseline data, and measurable progress tied to goals

Denial Risk

Denial and Coding-related Risks

Claims may be denied when documentation requirements are not met, when therapy goals are lacking or unchanged, when progress is not supported by treatment notes, or when incorrect coding is used. Ensure initial evaluations, progress reports, and re‑evaluations meet the policy criteria to avoid denial.

Denial triggers include: missing initial evaluation, missing or inadequate progress reports, lack of objective improvement, goals unchanged or absent
Coding-related denial risk: incorrect CPT/HCPCS codes (e.g., not using 92507/92508/S9152 as appropriate)

DefinitionApraxia/dyspraxia: inability or difficulty forming words or speaking despite intact oral and facial muscle use

Clinical implicationDistinguished from dysarthria where muscle weakness/clumsiness produces speech impairment

Assessment noteEvaluation should document oral motor ability (ROM, strength, coordination) and diadochokinetic testing for developmental apraxia

Voice Therapy — Definition: subset of speech therapy focused on voice production and respiration/laryngeal coordination

DefinitionVoice therapy: a subset of speech therapy aimed at improving voice production and coordination of respiration and laryngeal valving

IndicationsMay be medically necessary when related to specific injury, illness, anatomic abnormality, neurological condition (except Parkinson's in some cases), or post vocal cord surgery

Required exam elementsVoice exam must document breath support, loudness, pitch, quality and direct visualization (videostroboscopy/flexible laryngoscopy) when indicated

Functional Communication Profile / Criterion-referenced tests — Narrative inventories of communication abilities, modes, independence, and severity levels

PurposeProvides a narrative inventory of an individual's communication abilities, mode of communication, degree of independence, and severity level

Reported formatCriterion-referenced measures are reported as narrative information with severity levels (Mild, Moderate, Severe, Profound)

Age rangeFunctional Communication Profile: 3 years through adult; Rosetti and REEL used for 0-3 years with age-equivalent reporting where available

Standardized language tests (e.g., CELF, OWLS, PLS-5, TELD-4) — Provide index/composite scores and sometimes age-equivalent scores

What they provideStandardized language tests provide index or composite scores for receptive and expressive domains and sometimes age-equivalent scores

Common instrumentsExamples include CELF (CELF-5, CELF-P), OWLS, PLS-5, TELD-4

Score reportingReport index/composite scores (e.g., Core Language Score, Receptive/Expressive Indexes) and individual subtest scaled scores as applicable

Normal rangesMany of these instruments report normal ranges near 85-115

Screening instruments (post-TBI) — Mini Mental, MoCA, SLUMS, SCAT may be supplemental but do not substitute for full assessments

Role in assessmentScreening instruments (Mini Mental, MoCA, SLUMS, SCAT) may be used as supplemental measures to quantify deficits after TBI

LimitationThese screening tools do not qualify as standardized testing independent of additional testing

Examples listedMini Mental State Examination (Mini Mental), Montreal Cognitive Assessment (MoCA), St. Louis University Mental Status (SLUMS), Sport Concussion Assessment Tool (SCAT)