What is CROSSWALKING?
CROSSWALKING meaning A new test is determined to be similar to an existing test, multiple existing test codes, or a portion of an existing test code. The new test code is then assigned the related existing local fee schedule amounts and resulting national limitation amount. In some instances, a test may only equate to a portion of a test, and, in those instances, payment at an appropriate percentage of the payment for the existing test is assigned.
reference: Centers for Medicare & Medicaid Services