Wiki Need help with 92920, 92928 and 92929

mcauffman86

Networker
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Saint Joseph, MI
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My provider did a PTCA in the LCX and then stented in the OMB1, OMB2 and OMB3. I came up with CPT codes 92920-LC (PTCA in LCX), 92928-LC (Stent in OMB1) and 92929 (Stent in OMB2). I know that we can only report PCI up to 2 coronary artery branches, so that is why I am not reporting the stent in the OMB3. I also understand that Medicare does not reimburse for CPT 92929, but we still like to report it anyway. I just need verification that my coding is correct on this. I kept wanting to report an add code for the OMB1 since it is a branch off of the LCX, but then I realized I need a base code in order to report an add on code, so that is why I am defaulting to CPT 92928 for the OMB1. I just need to know if my thinking is correct on this. Please and thank you!


Marilyn C, CPC
 
in my opinion the OM is a branch of the LC, so I don't think you could bill two primary codes. I would code:
92928-LC--I start with this because it is highest in the hierarchy
92929-LC
92921-LC

We bill the add on codes even though they are not paid it is just tracking purposes.
 
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