Summary & Overview
CPT 78801: Multi-Day/Multi-Area Nuclear Medicine Imaging
CPT code 78801 represents multi-day or multi-area diagnostic nuclear medicine imaging using a gamma–emitting radiotracer to localize tumors, inflammatory processes, or radiopharmaceutical distribution. The code covers either imaging of two or more anatomic areas performed in one or more days, or imaging of a single area across two or more days. Included procedures may also incorporate vascular flow and blood pool studies to assess cardiac pumping function. Nationally, this code is relevant for hospitals, outpatient imaging centers, and nuclear medicine practices that perform complex radionuclide studies requiring extended imaging protocols.
Key payers in scope for typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers can expect an overview of the clinical context for use of the code, common billing and service characteristics, and payer coverage considerations where available. The publication outlines expected sites of service and the clinical scenarios that commonly drive use of the code, such as tumor localization and functional cardiac assessments. Data not available in the input will be identified as such; the focus is on the code’s clinical meaning, service setting, and relevance to payers and providers across the United States.
Billing Code Overview
CPT code 78801 describes diagnostic nuclear medicine imaging using a gamma–emitting radioactive tracer to visualize and localize tumors, inflammatory processes, or the distribution of a radiopharmaceutical agent. The code represents imaging performed over one or more days for two or more anatomic areas (for example, pelvis and knees or abdomen and pelvis), or two or more days of imaging for a single anatomic area (such as head, neck, chest, or pelvis). Vascular flow and blood pool imaging to evaluate cardiac pumping function are included when performed.
Service type: Diagnostic nuclear medicine imaging using gamma-emitting radiopharmaceuticals
Typical site of service: Hospital outpatient departments, outpatient imaging centers, and nuclear medicine departments
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient with a history of colorectal cancer presents with rising carcinoembryonic antigen (CEA) and focal bone pain. The oncology team orders radionuclide whole-body scintigraphic imaging using a gamma-emitting tracer to evaluate for metastatic disease. The study is planned as multi-day imaging because separate imaging of the abdomen/pelvis and the chest is required to localize suspected lesions and assess radiopharmaceutical distribution. The patient arrives at an outpatient nuclear medicine imaging center. A nuclear medicine physician reviews indications and allergies, injects the radiotracer, and documents time of administration. Imaging technologists acquire vascular flow, blood pool, and delayed static images over two or more days as indicated. The interpreting physician reviews multi-day images, correlates with prior CT and laboratory data, documents findings and impression, and issues a signed report for the referring oncologist. Typical sites of service include hospital outpatient radiology/nuclear medicine departments, freestanding imaging centers, and ambulatory surgical centers when required by clinical complexity.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the physician interpretation separate from the technical component. |
TC |