CPT code 92522: Evaluation of speech sound production

CPT code 92522 covers evaluation of speech sound production only, meaning articulation, phonological process, apraxia, or dysarthria. No language testing is required to support it. It is one of four speech-language pathology evaluation codes that took effect on January 1, 2014. That update to the AMA CPT code set replaced the older SLP evaluation family.

One decision drives almost every 92522 claim. If the same session also includes a formal evaluation of language comprehension and expression, the correct code is 92523. Medicare’s 2026 national average is $111.89 for 92522 and $226.46 for 92523, so the choice is worth about $114 per evaluation. A pass-or-refer language screening does not move the claim to 92523.

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Key takeaways

CPT code 92522 covers evaluation of speech sound production only, including articulation, phonological process, apraxia, and dysarthria.

Adding a formal evaluation of language comprehension and expression moves the encounter to 92523, which Medicare pays at roughly double the 92522 rate.

No language testing is needed to justify 92522. The chart only has to carry standardized speech sound results, a speech sample, and an oral mechanism exam.

Modifier GN is the one Medicare expects on SLP claims; GP applies only when the service runs under an outpatient physical therapy plan of care.

Pabau’s claims management software lets SLP practices build evaluation note templates, scrub claims before submission, and track 92522 denials by payer.

CPT code 92522: Official descriptor and clinical definition

CPT code 92522 is defined by the AMA as: Evaluation of speech sound production (e.g., articulation, phonological process, apraxia, dysarthria). The code sits in the Otorhinolaryngologic Services section of CPT and is performed by a qualified speech-language pathologist.

The descriptor covers one clinical service. The SLP assesses how the patient produces speech sounds, and no language testing is called for. Receptive and expressive language testing belongs to 92523, which carries the speech sound component inside it.

That narrower scope is what makes 92522 straightforward to defend on audit. The chart needs standardized speech sound findings and a clinical picture that matches them. It does not need language scores, and their absence is not a documentation failure.

CPT 92522 at a glance

CPT 92521, 92522, 92523, and 92524: The SLP evaluation code family

The four evaluation codes replaced an older, less granular code set. Each one describes a different clinical domain: fluency, speech sounds, speech sounds plus language, and voice and resonance. Picking the wrong one is a leading source of SLP evaluation billing errors.

Rates above are 2026 national averages under the Medicare Physician Fee Schedule. Your payment depends on locality, so check the figure for your area in the CMS Physician Fee Schedule lookup tool before you quote a rate.

CPT 92522 vs 92523: The distinction that decides the claim

CPT 92522 and 92523 both cover evaluation of speech sound production. The only difference is whether a formal evaluation of language comprehension and expression happened in the same encounter. If it did, bill 92523. If it did not, bill 92522.

A worked example makes the line clear. A 4-year-old referred for unintelligible speech receives the Goldman-Fristoe Test of Articulation (GFTA-3), and the SLP judges language to be age-appropriate from conversation. That encounter supports 92522.

Change one detail and the code changes. If the same SLP also administers the Preschool Language Scales (PLS-5), scores it, and interprets receptive and expressive findings, the encounter becomes 92523. The 2026 difference is about $114 of Medicare payment.

A brief language screening does not cross that line. Screenings are pass-or-refer checks, not evaluations, and they do not produce the scores a 92523 report needs. Record the screening as a screening and keep the claim on 92522.

CPT 92522 vs 92521: Speech sounds versus fluency

These two codes describe unrelated domains, which is why they are rarely confused once the descriptors are read side by side. CPT 92521 covers evaluation of speech fluency, meaning stuttering and cluttering. CPT 92522 covers how accurately speech sounds are produced.

A child who repeats syllables and blocks on initial sounds is a fluency referral, so 92521 applies. A child who substitutes /t/ for /k/ across every word position is a speech sound referral, so 92522 applies. When both are formally evaluated in one visit, the two codes may be reported together. Each evaluation has to be complete, distinct, and documented on its own terms.

When to use CPT code 92522: Indications and patient scenarios

CPT code 92522 fits an evaluation aimed squarely at how the patient produces speech sounds. These scenarios typically support the code:

• A preschooler with reduced intelligibility receives articulation and phonological process testing, and language is judged age-appropriate.
• An adult with Parkinson’s disease is evaluated for hypokinetic dysarthria, with no language concern raised by the referral.
• A child with suspected childhood apraxia of speech receives a motor speech assessment covering consistency, sequencing, and prosody.
• A patient recovering from stroke is evaluated for dysarthria after aphasia has already been ruled out or assessed separately.
• A school-age child with a repaired cleft palate is evaluated for compensatory articulation errors, with resonance not formally analyzed.
• A previously treated patient returns for a re-evaluation of speech sound accuracy before the plan of care is renewed.

The billing test is short. Did the SLP formally evaluate speech sound production, and did the session stop short of a formal language evaluation? Two yes answers point to 92522. The chart below runs the same test across all four evaluation codes.

ICD-10 codes commonly used with CPT 92522

Every claim for CPT code 92522 needs at least one ICD-10-CM diagnostic code to establish medical necessity. Because the code’s scope is narrow, the diagnosis should describe a speech sound problem rather than a language one. Payers compare the two, and a language diagnosis on a 92522 claim invites a request for records.

Diagnoses that point to a different evaluation code

Some diagnoses describe a domain that 92522 does not cover. Pairing them with this code creates a mismatch the payer can see on the claim line:

• F80.1 (expressive language disorder) and F80.2 (mixed receptive-expressive language disorder): These name a language problem, so the evaluation that diagnoses them is 92523.
• F84.0 (autistic disorder): Autism evaluations usually include formal language testing, which makes 92523 the likelier code.
• R47.01 (aphasia): Aphasia is a language diagnosis. Use 92523 when speech sounds and language are both evaluated.
• F80.81 (childhood-onset fluency disorder): Stuttering belongs to 92521, not 92522.
• R49.0 (dysphonia) and related voice codes: Voice and resonance analysis is 92524.

List the primary presenting condition first when several diagnoses apply. The AAPC CPT code lookup shows payer-recognized diagnosis pairings for 92522 by code.

Reimbursement rates and fee schedule for CPT 92522

The 2026 Medicare national average for CPT code 92522 is $111.89, built from 3.35 total RVUs. Medicare publishes the same amount for facility and non-facility settings, so the place of service does not change the payment. Rates reset every January 1, and locality adjustments move the figure in both directions.

Set that number against 92523 at $226.46 and the stakes of the coding decision become concrete. An evaluation that included formal language testing but went out as 92522 gives up roughly $114. One that went out as 92523 without language scores in the report is an overpayment waiting to be recouped.

For contract talks with private payers, an RVU-based reference is more persuasive than a single dollar figure. The FastRVU 2026 RVU lookup tool breaks 92522 into its work, practice expense, and malpractice components by geographic adjustment factor.

Medicare coverage requirements for SLP evaluations

Medicare Part B covers CPT code 92522 under the therapy benefit when the service is medically necessary and delivered by a qualified SLP. The compliance standards that govern outpatient therapy services apply in full. Key requirements include:

• Modifier GN: Required on Medicare Part B claims for services delivered under an outpatient speech-language pathology plan of care. This is the default modifier for SLP evaluations.
• Modifier GP: Used only when the SLP service runs under an outpatient physical therapy plan of care, which mainly comes up in co-treatment. Mixing GP and GN is a common intake denial.
• KX modifier: Required once the annual threshold for PT and SLP services combined is exceeded, which is $2,480 for 2026. It attests that continued care is medically necessary.
• Plan of care: A written plan of care must be on file before billing begins, certified by a physician or non-physician practitioner.
• Progress reporting: Document measurable goals and progress toward them, in line with functional outcome reporting requirements.
• Supervision rules: Requirements differ between private practice, hospital outpatient, and skilled nursing settings. Confirm the level that applies to yours.

Modifiers that apply to a 92522 claim

Modifiers tell the payer which plan of care the service sits under and why it qualifies. Omitting a required one, or reaching for the wrong one, causes a large share of CPT code 92522 denials. The table below covers the modifiers that come up most often on SLP evaluation claims.

Modifier rules differ between Medicare and commercial payers, and between outpatient, skilled nursing, and school settings. Verify yours against the relevant MAC Local Coverage Determination and your payer contracts.

Documentation requirements for CPT 92522

Documentation for CPT code 92522 has to support one clinical component: speech sound production. That makes the report shorter than a 92523 report, not weaker. Language scores are not required, and an auditor cannot deny 92522 for the absence of language testing.

Required documentation elements include:

• Standardized speech sound test results: Name the instrument, such as the GFTA-3, KLPA-3, DEMSS, or a dysarthria assessment. Include raw scores, standard scores, and percentile ranks.
• Speech sample and intelligibility rating: Intelligibility at word, sentence, and connected speech level, with a note on familiar versus unfamiliar listeners.
• Oral mechanism examination: Structure and function of the articulators, plus diadochokinetic rates where a motor speech disorder is suspected.
• Stimulability testing: Which error sounds the patient can produce with cueing, since this drives the treatment plan and supports medical necessity.
• Background history: Developmental and medical history, prior evaluations, educational placement, and family concerns.
• Diagnostic impression: A clinical diagnosis drawn from the findings, with a matching ICD-10-CM code.
• Recommendations and plan of care: Goals, recommended frequency and duration, and any referrals.

One habit protects the claim in both directions. If you screened language and it passed, record it explicitly as a screening with a pass result. The note then explains why no language scores appear, and it also shows why the visit was not billed as 92523.

The plan of care must be completed and signed before treatment begins, and certified by a physician or non-physician practitioner for Medicare patients. Digital documentation keeps those fields from slipping through. Pabau’s digital forms can carry an SLP evaluation template that walks the clinician through each required section. The chart then supports 92522 by the time the claim is built. Where several providers bill from the same records, the superbill pulls straight from the completed note.

Common billing mistakes and how to avoid them

Denials and recoupments on CPT code 92522 cluster around three failure modes: picking the wrong code in the family, bundling errors, and missing modifiers. Each one has a straightforward fix.

• Billing 92522 when 92523 was performed: The most expensive error, and it runs in the practice’s disfavor. If the report carries interpreted language scores, the encounter was 92523 and roughly $114 has been left behind.
• Billing 92523 on the strength of a language screening: The mirror image, and the one auditors look for. A pass-or-refer screening is not an evaluation of language comprehension and expression.
• Billing 92522 for a fluency evaluation: Stuttering and cluttering evaluations are 92521. A speech sound code paired with F80.81 is a mismatch the payer will spot.
• Billing 92522 and 92523 on the same date: NCCI edits bundle these two because 92523 already contains the speech sound evaluation. Modifier 59 does not bypass that pairing.
• Assuming 92522 can never share a date: It can. NCCI does not bundle 92522 with 92521 or 92524. A distinct fluency or voice evaluation on the same day may be reported, provided each one is separately documented.
• Missing modifier GN: Medicare rejects SLP claims that arrive without the plan-of-care modifier. Build it into the claim template rather than leaving it to the biller.
• Omitting KX after the threshold: Once the combined PT and SLP threshold is passed, claims without KX are denied automatically.
• Pairing a vague diagnosis: A non-specific code such as R47.9 raises denial risk when the findings support F80.0 or R47.1. Code to the level the report actually establishes.

A systematic denial management process with pre-submission scrubbing catches most of these before the payer sees them. Checking each claim against clean-claim rules first prevents the rework that resubmissions create. Pabau’s clearinghouse integration adds real-time eligibility checks, claim validation, and ERA posting inside the practice management platform.

Related speech therapy CPT codes

CPT code 92522 is an evaluation code, and treatment that follows is billed separately. The table below lists the evaluation family alongside the treatment and swallowing codes that most often appear near it.

How practice management software supports CPT 92522 billing

SLP billing errors usually start where the evaluation report and the claim stop agreeing. A clinician documents articulation testing, a biller submits 92523 out of habit, and nobody compares the two until a payer does. Practice management software like Pabau keeps documentation and billing in one workflow, so the code on the claim follows what the note contains.

Pabau’s medical claims management features let SLP practices:

• Configure evaluation note templates: Build separate 92522 and 92523 templates, so the clinician picks the scope at the start and the required sections follow automatically.
• Scrub claims before submission: Built-in validation flags a missing GN modifier, a mismatched ICD-10 code, or a 92522 and 92523 pairing. The check runs before the claim reaches the payer.
• Submit through a clearinghouse: The Claim.MD integration handles 837P submission, real-time eligibility verification, and ERA posting in one place.
• Track denial patterns by code: Reporting shows 92522 denial rates by payer and resubmission outcomes, so you can see which documentation habits generate the rework.

Speech therapy practices handling credentialing or several payer contracts can run the whole revenue cycle in one platform, from scheduling through payment posting.

Manage SLP billing without switching between tools

Pabau brings CPT code templates, claim scrubbing, and denial tracking into one platform. SLP practices using Pabau can configure evaluation code workflows, attach ICD-10 codes, and submit claims through an integrated clearinghouse without leaving the patient record.

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Conclusion

CPT code 92522 comes down to a single question at the end of the session. If the SLP formally evaluated speech sound production and stopped there, 92522 is correct. Once language comprehension and expression are formally tested, the encounter belongs to 92523 and pays about twice as much.

Keep separate note templates for the two codes, and pair a speech sound diagnosis with each claim. Practices that also append modifier GN by default see far fewer evaluation denials. Pabau’s claims management software supports that workflow end to end, from documentation prompts through denial tracking by CPT code. To see how it handles SLP billing, book a demo.

Continue your research

Need therapy documentation that survives an audit? Our medical billing compliance guide covers the documentation and audit standards that apply to outpatient therapy claims.

Managing claim denials across multiple payers? Our revenue cycle management guide explains how to structure your billing workflow to minimize denials and speed up collections.

Want to understand clearinghouse claim submission? This guide to medical claims clearinghouses explains how electronic claim submission works and what to look for in a clearinghouse partner.

Billing swallowing evaluations too? Our guide to CPT code 92610 covers the oral and pharyngeal swallowing evaluation that SLPs often bill alongside speech work.

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