CPT code 73560 denotes a diagnostic radiographic exam of the knee using one or two X‑ray views intended to identify fractures, joint swelling, or sources of pain. This common musculoskeletal imaging code is widely used across emergency departments, outpatient clinics, and radiology centers for initial evaluation of acute and subacute knee complaints. Nationally, knee radiography is a high‑volume service with implications for acute care workflows, imaging resource allocation, and guideline‑based use to limit unnecessary radiation exposure.

Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for imaging the knee, typical sites of service, and common billing considerations. The publication also summarizes benchmark metrics and policy updates relevant to payer coverage and medical necessity expectations, and it outlines how 73560 fits into care pathways for traumatic and nontraumatic knee pain.

This brief equips clinicians, coding staff, and policy analysts with the clinical description and operational context for CPT code 73560, enabling clearer communication about when single‑ or two‑view knee radiography is indicated and how it is categorized for billing and administrative purposes.