[Histonet] CPT coding for IHC
I am in need of some clarification. Please let me know which answer you
would chose for the following scenario.
A pathologist orders a CD3, CD20, CD15 & CD30 on blocks A1, A4, B2 & C2 from
So 16 total IHC stains are performed on this case. In coding for this one
would you chose:
A) 88342 X 16 to cover all IHC's done.
B) 88342 X 4 to cover the 4 different IHC's done.
C) 88342 X 12 to avoid double billing on the "A" subnumber.
I have been told that each one of these was the correct answer depending on
who I am asking at the time. My confusion cup runneth over.
Glen Dawson BS, HT & QIHC (ASCP)
Lead IHC Technologist
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