Matching Pairs TOS CodeOnline version Match the TOS code to the description by Diane Martin 1 Z1 2 RS 3 Y# 4 MT 5 WBB 6 OV 7 GWW 8 AM# 9 SRB 10 DI 11 AL 12 NC Surgery Inpatient Drug Ancillary Outpatient Ambulance Ground Maternity Visit/Evaluation by MD, DO Alcohol Ancillary Inpatient/Outpatient Routine Surgery Alcohol MD Inpatient Well Baby Nutritional Counseling Diabetic Supplies Well Woman - Direct Access