33946 Insurance Policy Changes

CPT 33946, in plain terms, covers A doctor starts a heart-lung machine that uses a catheter placed in a vein to pump blood outside the body. CPT 33946 is referenced in 3 tracked payer policy changes from Aetna. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for CPT 33946 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

Official descriptor: CPT 33946 on AAPC