G9147 HCPCS - OUTPATIENT INTRAVENOUS INSULIN TREATMENT (OIVIT) EITHER PULSATILE OR CONTINUOUS, BY ANY MEANS, GUIDED BY THE RESULTS OF MEASUREMENTS FOR: RESPIRATORY QUOTIENT; AND/OR, URINE UREA NITROGEN (UUN); AND/OR, ARTERIAL, VENOUS OR CAPILLARY GLUCOSE; AND/OR POTASSIUM CONCENTRATION