Understand the procedure. Then understand your plan.
AuraCode turns billing codes and insurance language into plain English — and links you straight to the official medical policy and provider directory for your insurer, in both commercial and Medicaid plans.
Look it up
Search by CPT code or the procedure name your doctor used.
Understand it
Read a plain-language explanation, what insurers typically look for, and likely prior-auth status.
Take the next step
Jump to your insurer's official medical policy and find an in-network provider.
Codes patients ask about
A starting point — search for any code or procedure name to see more.
MRI of a lower-extremity joint, without contrast
A magnetic resonance scan of a leg joint — usually the knee, hip, or ankle — that produces detailed pictures of cartilage, ligaments, and tendons without contrast.
Diagnostic colonoscopy
A camera exam of the entire large intestine, done with sedation, to evaluate symptoms or follow up on prior findings.
Polysomnography (in-lab sleep study), attended
An overnight sleep recording done in a sleep lab to look for sleep apnea, abnormal movements, or other sleep disorders.
Physical therapy — therapeutic exercises
A physical therapy session focused on therapeutic exercise to improve strength, range of motion, flexibility, or function. Billed in 15-minute units.
Top 20 US health insurers
Each links to public medical policy, prior-auth list, and provider lookup — for commercial and Medicaid.
UnitedHealthcare
UnitedHealth Group
One of the largest US commercial insurers; also operates UHC Community Plan for Medicaid in many states.
Anthem Blue Cross Blue Shield
Elevance Health
Elevance operates Anthem BCBS plans in 14 states and Medicaid plans under multiple brands.
Aetna
CVS Health
Aetna publishes Clinical Policy Bulletins (CPBs) — among the most accessible commercial medical policy libraries.
Cigna Healthcare
The Cigna Group
Cigna publishes Coverage Policies for medical, drug, and dental services.
Humana
Major Medicare Advantage carrier; also commercial and TRICARE.
Centene (Ambetter / WellCare)
Centene Corporation
Largest US Medicaid managed-care operator; also marketplace (Ambetter) and Medicare (WellCare).
Kaiser Permanente
Integrated payer-provider; medical policies are region-specific.
Health Care Service Corporation
HCSC
Operates Blue Cross Blue Shield plans in 5 states; largest customer-owned health insurer in the US.