Q28.1 — Other malformations of precerebral vessels
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- Maintain all documentation in the patient’s medical record; every page must be legible, include patient identification (e.g., full name, dates of service), and be made available to the contractor upon request.
- Documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient.
- The submitted medical record must support the use of the selected ICD-10-CM code(s).
- The submitted CPT/HCPCS code must accurately describe the service performed.
Key Coverage Criteria
- Speech-language pathology (SLP) services for treatment or evaluation of communication disorders when determined reasonable and necessary per LCD L35070.
- Selection and prescription of speech-generating devices should be billed with CPT code 92607.
- Adaptation and training for speech-generating devices should be billed with CPT code 92609.
- Report group therapy with CPT code 92508 when patients are not receiving direct one-on-one contact and are supervised by the therapist.
- Use the appropriate CPT evaluation code for re-evaluations in SLP because CPT does not define a distinct re-evaluation code.
- Coverage and clinical indications for Cardiac Computed Tomography & Angiography (CCTA) follow the Local Coverage Determination LCD L33423; this billing article provides complementary coding guidance only.
6 Active Policies
A57592 — Billing and Coding: Non-Invasive Cerebrovascular Studies
J05
L35753 — Non-Invasive Cerebrovascular Studies
J05
A54111 — Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
J12
L35070 — Speech - Language Pathology (SLP) Services: Communication Disorders
J12
Related Codes
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