Summary & Overview
HCPCS G0680: Coronary Artery and Aortic Valve Calcification Quantification
HCPCS Level II code G0680 identifies an algorithmic analysis and reporting service that detects and quantifies coronary artery calcium and/or aortic valve calcification from computed tomography of the chest. As automated and semi-automated calcium scoring tools proliferate, this code captures a distinct imaging-derived quantification service separate from CT acquisition and primary radiology interpretation. Nationally, the code matters for cardiac risk stratification workflows, preventive cardiology pathways, and reimbursement clarity around post-processing imaging analytics.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer coverage patterns and benchmark considerations where available, though specific coverage details may vary by plan and clinical indication.
Readers will learn the clinical context for use of G0680, typical service venues, and the role of algorithmic calcium quantification in care pathways. The report also summarizes where stakeholders commonly look for benchmarks, coding relationships, and policy updates relevant to imaging post-processing codes. Data not available in the input are explicitly noted in relevant sections.
Billing Code Overview
HCPCS Level II code G0680 describes the detection and quantification of coronary artery calcium and/or aortic valve calcification using algorithmic analysis of computed tomography of the chest, with an accompanying report. This service represents an image-processing and interpretation workflow that derives quantitative calcium scores from chest CT data.
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Service type: Algorithmic analysis and reporting of chest CT imaging for vascular and valvular calcification quantification
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Typical site of service: Outpatient radiology or diagnostic imaging centers, hospital radiology departments, and any setting where chest CT studies are acquired and processed for secondary quantitative analysis
Data not available in the input for modifiers, associated taxonomies, ICD-10 diagnoses, related codes, and service line.
Clinical & Coding Specifications
Clinical Context
A 62-year-old asymptomatic man with intermediate cardiovascular risk due to hypertension and hyperlipidemia is referred for coronary artery calcium (CAC) scoring using non-contrast computed tomography of the chest. The ordering clinician requests algorithmic detection and quantification of coronary artery calcium and aortic valve calcification with a structured report to inform primary prevention decisions. Workflow: scheduling and preauthorization (if required) → patient arrives and screening/consent → non-contrast chest CT acquisition using cardiac-gated or non-gated protocol per facility policy → image reconstruction and transfer to automated CAC quantification software (algorithmic analysis) → software generates Agatston score, lesion volumes, and aortic valve calcium metrics → interpreting physician reviews automated results, edits if necessary, and finalizes a structured report that includes total and vessel-specific CAC, Agatston score categories, and aortic valve calcification findings → report is transmitted to the ordering clinician for risk stratification and management planning. Typical site of service: outpatient radiology or cardiology imaging suite within an ambulatory care center, hospital outpatient department, or imaging center.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | When billing the physician interpretation of the algorithm-generated CAC/aortic valve calcification report separately from technical imaging services. |