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fDesc[0] = "CrossCoder&trade; is your low cost Windows solution for finding &quot;crosswalks&quot; between CPT&reg; Codes and ICD Codes. A &quot;crosswalk&quot; or &quot;link&quot; refers to a relationship between a Medical Procedure (CPT Code) and a Diagnosis (ICD Code).<br /> <br /> Medicare uses CPT Code/ICD Code crosswalks to validate or substantiate medical necessity based on Local Coverage Determinations (LCD). Private payers also establish crosswalk tables for validating and auditing medical claims.<br /> <br /> In brief, physicians are paid by CPT procedure code not diagnosis. In order to validate proper coding (e.g. the reason for the procedure or medical necessity) providers must specify a medically necessary diagnosis. If the diagnosis does not support the procedure the claim may not get paid.";

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