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November 26, 2025
Speech Therapy CPT Codes are Used in Medical Billing a Comprehensive Guide
Speech Therapy CPT Codes are regular billing codes used by Speech-Language Pathologists (SLPs) to report evaluation and treatment services for speech, language, communication, and swallowing disorders.
Common codes include 92507 for individual treatment, 92508 for group sessions, 92521–92524 for evaluations, and 92526 for swallowing therapy. Correct use of these codes makes sure correct reimbursement and compliance with payer guidelines.
What Is Speech Therapy CPT Coding?
In medical billing, CPT codes for speech therapy (developed by the AMA) help healthcare professionals communicate the type of service provided to insurance payers.
Speech-language pathologists (SLPs) use these codes to bill for:
- Evaluation of speech, voice, and language disorders
- Individual or group treatment sessions
- Swallowing therapy
- Cognitive or communication rehabilitation
Accurate coding ensures fair reimbursement, minimizes claim denials, and maintains compliance with CMS and payer policies.
Speech Therapy Evaluation CPT Codes
Evaluation codes describe the initial assessment of the patient’s speech or language abilities.
Here’s a list of the most common speech therapy evaluation CPT codes:
Code | Description |
92521 | Evaluation of speech fluency (e.g., stuttering, cluttering) |
92522 | Evaluation of speech sound production (e.g., articulation, apraxia, dysarthria) |
92523 | Combined evaluation of speech sound production and language comprehension/expression |
92524 | Behavioral and qualitative analysis of voice and resonance |
Tip: Always document clinical findings separately if billing for multiple evaluations on the same date of service.
Speech Therapy Treatment CPT Codes
Once the evaluation is complete, providers use treatment codes for ongoing therapy sessions.
Common SLP treatment CPT codes include:
Code | Description |
92507 | Individual treatment of speech, language, voice, or communication disorder |
92508 | Group treatment of speech, language, voice, or communication disorder |
92526 | Treatment of swallowing dysfunction and/or oral function for feeding |
These codes are typically time-based or service-based, depending on payer policy.
Pediatric, Outpatient, and Home Health Speech Therapy Codes
Speech therapy is widely used across settings — from pediatrics to home health.
- Pediatric Speech Therapy CPT Codes: Commonly 92507 (individual treatment) and 92523 (evaluation).
- Outpatient Speech Therapy CPT Codes: Frequently involve 92507, 92508, and 92526.
- Home Health Speech Therapy Codes: Must align with the Home Health PPS guidelines and corresponding ICD-10 diagnosis codes.
Related and Associated Codes
Speech therapy is often billed alongside occupational therapy CPT codes, physical therapy CPT codes, or other allied health services.
Here are a few related CPT codes:
- 97532: Cognitive skills development (used cautiously — not billable with 92507 on the same date)
- 92607–92608: Evaluation for prescription of a speech-generating device
- 92605: Assessment of voice or speech fluency disorders
Common ICD-10 Codes for Speech Therapy
Pairing CPT codes with the correct ICD-10 diagnosis codes supports medical necessity. Examples include:
ICD-10 Code | Diagnosis Description |
F80.9 | Developmental disorder of speech and language, unspecified |
R47.1 | Dysarthria and anarthria |
R13.10 | Dysphagia, unspecified |
R49.0 | Dysphonia |
F80.2 | Mixed receptive-expressive language disorder |
Time Units in Speech Therapy Medical Billing
In speech therapy billing, time units are important for figuring out how lengthy a provider became supplied. Certain CPT codes are time-based, which means they are billed primarily based on how much time turned into spent delivering the service. When billing for time-based totally speech therapy offerings, the variety of units is decided through the duration of the session. The hints are as follows:
- For sessions lasting between 8 and less than 23 minutes, you can bill 1 unit.
- If the session lasts between 23 and less than 38 minutes, you can bill 2 units.
- For a session lasting 38 and less than 53 minutes, you can bill 3 units.
- If the session is 53 and less than 68 minutes, you can bill 4 units.
- For sessions lasting 68 and less than 83 minutes, you can bill 5 units.
- Finally, for a session that lasts 83 and less than 98 minutes, you can bill 6 units.
Common CPT Code Modifiers Used in Speech Therapy Medical Billing
Modifiers play a crucial position in speech therapy billing through imparting extra records about the carrier provided. Some of the most not unusual modifiers encompass:
- GN Modifier: Used when speech-language pathology services are furnished under a plan of care.
- 59 Modifier: Indicates a distinct procedural service.
These modifiers, when used correctly, ensure that the services provided are billed accurately, which reduces the chance of claim denials.
Documentation and Compliance Tipsls
- Document start and stop times for time-based services.
- Specify treatment goals, methods, and patient progress.
- Avoid unbundling codes that are mutually exclusive.
- Always verify payer-specific reimbursement and prior authorization rules.
Final Thought
Accurate use of speech therapy CPT codes ensures proper reimbursement, minimizes claim denials, and reflects the true value of care provided by speech-language pathologists. From evaluations to treatment sessions, understanding the correct coding and documentation rules is essential for both compliance and financial success.
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Contact us today to optimize your revenue cycle and focus more on patient care.
Frequently Asked Questions (FAQ)
The CPT code for speech therapy evaluation varies by service:
- 92521–92524 for fluency, speech sound production, language, or voice analysis.
- 92523 is the most comprehensive evaluation code.
CPT code 92507 is used for individual treatment of speech, language, voice, or communication disorders. It’s the most commonly billed code for one-on-one SLP therapy sessions.
There isn’t a single ICD-10 code for speech therapy. Instead, codes vary based on the diagnosis, for example, F80.9 (Speech and language disorder) or R13.10 (Dysphagia, unspecified).
The most common speech therapy CPT codes in 2025 are:
92507, 92508, 92521, 92523, 92524, and 92526.
Yes, but each therapy must be distinctly documented and billed under the correct provider discipline (OT, PT, or SLP).
