Wiki Billing 93501 with 93505

According to CPT assistant April 2000,

When endomyocardial biopsy is performed in conjunction with a diagnostic cardiac cath then code 93505 should be reported in addition to the component cardiac cath codes.

But if the physician performs the cardiac cath only as a means of obtaining the endomyo cardial biopsy, and does not perform a separate diagnostic heart catheterization, then only the endomyo-cardial biopsy would be reported.
 
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