CPT code 76100 denotes specialized single-plane tomographic radiography — an X‑ray technique that scans across the body in one direction to render a single focused plane while blurring adjacent sections. This focused imaging approach is used when planar detail is required for diagnosis or pre‑procedural planning and is performed using dedicated tomographic X‑ray equipment in radiology suites.

Key national payers included in this discussion are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose and typical settings for this service, plus contextual information on billing characteristics such as commonly reported modifiers and the typical service line. The publication outlines what stakeholders need to know about coding expectations and documentation context, and it identifies where input is not available in the source data.

This summary is intended for clinicians, billing professionals, and policy analysts seeking a clear, national‑level overview of CPT code 76100, its clinical role in diagnostic imaging, and the administrative considerations relevant to reimbursement and claims submission.