Question:
Which codes are used to report the diagnostic quantitative measurement of carboxyhemoglobin levels and methemoglobin determination, and what key billing limitation applies to these services?
Answer:
Codes 88740 and 88741 are intended to represent the diagnostic quantitative measurement of either carboxyhemoglobin level or methemoglobin determination, respectively. Providers need to pay attention to the “per day” limitation as defined by the code descriptions.
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