CPT Code 96113 is an add-on code used for each additional 30 minutes of developmental testing beyond the first hour covered by CPT Code 96112. It is specifically designed to account for extended testing sessions that require more time and effort from healthcare providers.
This code is typically used when a patient requires a comprehensive evaluation involving standardized assessments to measure cognitive, motor, language, social, memory, or executive functions. These tests are crucial for diagnosing developmental delays or behavioral disorders in children and adolescents.
Key Features of CPT Code 96113
CPT code 96113 is an add-on code for extended developmental testing beyond the first hour. Here are its key features for billing:
- Add-on Code: CPT code 96113 is an add-on code and must always be reported in conjunction with CPT code 96112.
- Time-Based: This code is time-based and represents 30 minutes of additional testing time beyond the first hour.
- Documentation Requirements: Accurate and detailed documentation is crucial when billing for CPT code 96113. Be sure to document the date of service, the specific test(s) administered, the child’s age, the start and stop times of the testing session, a summary of the results, and the total time spent scoring and interpreting the test results.
Who Can Bill for CPT 96113?
The same healthcare professionals who are qualified to bill for CPT 96112, can also bill for CPT 96113. This typically includes:
- Physicians (including pediatricians, psychiatrists, and developmental pediatricians)
- Psychologists
- Occupational Therapists
- Speech-Language Pathologists
- Other qualified healthcare professionals with expertise in developmental assessment.
It’s essential to verify with individual payers to confirm their specific requirements for credentialing and billing developmental testing services.
When to Use CPT Code 96113
CPT Code 96113 is used when the total duration of developmental testing exceeds one hour. For example:
If a session lasts two hours, you would bill:
- CPT Code 96112 for the first hour (1 unit).
- CPT Code 96113 for the second hour (2 units).
This ensures that every additional half-hour of testing is accounted for and reimbursed appropriately.
Reimbursement Rates for CPT Code 96113
The Medicare reimbursement rate for CPT code 96113 in 2025 is approximately $59, but this amount can vary based on several factors, including:
- Geographic Location: Medicare reimbursement rates differ by region due to locality adjustments.
- Provider Credentials: The provider’s degree, licensure, and specialty may impact reimbursement rates.
- Private Insurers: Reimbursement rates from private insurance companies may differ from Medicare rates based on their fee schedules and policies.
To ensure accurate billing, always verify the latest reimbursement rate through the Medicare Physician Fee Schedule (MPFS), your Medicare Administrative Contractor (MAC), or directly with private insurers.
Common Challenges in Billing CPT Code 96113
Even experienced professionals can face challenges when billing this code. Here are some common issues and how to address them:
- Insufficient Documentation: Failing to document the additional time spent on testing can lead to claim denials.
- Incorrect Coding: Forgetting to pair CPT Code 96113 with CPT Code 96112 or miscalculating time increments can result in underpayment or rejection.
- Payer-Specific Rules: Some insurance companies have strict guidelines for developmental testing coverage, which may vary by state or plan type.
- Clerical Errors: Typos or incomplete information in claims can delay reimbursement.
Billing Guidelines and Best Practices
To ensure accurate and compliant billing for CPT code 96113, consider these guidelines and best practices:
- Insurance Verification: Always verify the patient’s insurance coverage and any specific requirements for developmental testing services before rendering treatment. Some payers may have restrictions or require pre-authorization for these services, so confirming coverage beforehand is essential to avoid claim denials.
- Accurate Coding: Use the correct CPT codes (96112 for the first hour and 96113 for each additional 30 minutes).
- Thorough Documentation: Maintain comprehensive and detailed records of each developmental testing session, including the date, the specific test(s) administered, the child’s age, the start and stop times of the testing session, a summary of the results, and the total time spent scoring and interpreting the test results.
- Modifier Usage: When billing multiple services on the same day, use appropriate modifiers to ensure accurate reimbursement. Modifier 59 indicates distinct procedural services, while Modifier XE is used for services performed during separate encounters.
- Stay Updated: Keep abreast of any changes in coding guidelines or billing regulations related to developmental testing services.
Conclusion
CPT Code 96113 is an essential add-on code for billing extended developmental testing sessions. Proper documentation, time tracking, and compliance with payer guidelines are critical to ensuring accurate reimbursement. By pairing it correctly with CPT Code 96112 and avoiding common errors, providers can streamline their billing process and focus on delivering quality care.
