Although there are some physician services you can report separately from critical care, watch out. There are many services you can’t unbundle from critical care, including:

cardiac output measurements (93561, 93562)
chest x-rays (71010, 71015, 71020)
pulse oximetry (94760, 94761, 94762)
information data stored in computers (such as electrocardiograms, blood pressures, hematologic data, etc.)
blood gasses
gastric intubation (43752, 91105)
temporary transcutaneous […]

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