What are the differences between the new 2026 codes 87182 and 87183?
Category I codes 87182 and 87183 were added to provide specificity in susceptibility study testing, rather than reporting by methodology. Code 87182 refers to resistance-associated enzymes and uses a multiplex immunoassay to simultaneously screen for different carbapenemase enzymes, with results reported as either positive or negative. Code 87183 relates to resistance-associated genes and utilizes polymerase chain reaction (PCR) methodology to detect the nucleic acid sequences of common carbapenemase gene families from an actively growing pure culture of a bacterial isolate.
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