HCPCS A9555: Rubidium Rb-82 Diagnostic Dose, Up to 60 mCi
HCPCS Level II code A9555 designates a diagnostic radiopharmaceutical: Rubidium Rb-82, per study dose, up to 60 millicuries. This code is central to PET myocardial perfusion imaging, a nuclear cardiology procedure used to assess myocardial blood flow and perfusion defects. Nationally, the use of rubidium-82 is important for centers offering PET cardiac imaging because it enables rapid, high-quality perfusion studies compared with some conventional SPECT tracers.
Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of what the code represents, typical sites of service, and which payers commonly cover the service. The publication provides benchmarks where available, a summary of clinical context for rubidium-82 PET perfusion studies, and notes on billing practices and documentation expectations tied to radiopharmaceutical administration.
This summary serves clinicians, billing professionals, and policy analysts seeking a national overview of HCPCS Level II code A9555, its clinical role in myocardial perfusion imaging, and the payer landscape relevant to coverage and claims processing. Data not available in the input will be identified as such in detailed sections.
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Billing Code Overview
HCPCS Level II code A9555 describes Rubidium Rb-82, diagnostic, per study dose, up to 60 millicuries. This code represents a radiopharmaceutical dose used for diagnostic myocardial perfusion imaging studies that employ rubidium-82 as the tracer.
Service type: Diagnostic radiopharmaceutical administration for nuclear cardiology perfusion imaging.
Typical site of service: Hospital outpatient departments, cardiac imaging centers, and nuclear medicine suites where PET myocardial perfusion studies are performed.