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Pathology/Lab Coding Alert

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Multiple FISH Probes Define 'Multiplex'

Published on Tue Apr 07, 2015

Question:Could you please clarify the meaning of “multiplex” in codes 88374 and 88377 for FISH? I’ve been told it means that the test is an FDA approved kit, but I’m not sure if that’s correct. Tennessee Subscriber Answer: “Multiplex” essentially means multiple. So a fluorescence in situ hybridization (FISH) test that requires two or more probes in a single procedure to [...]
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