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glucose tolerance test, oral
Synonyms: GTT 
Computer Code: GLM
Specimen Collection: 4 mL blood (gray top tube). 8-14 hour fast required. 
Minimum Volume: 1 mL 
Handling Instructions for Offsite Areas: Centrifuge for 20 minutes, remove plasma, refrigerate. Min 0.5 mL plasma. 
Reference Values: See Addendum I See Addendum I  
Lab Code: CC 
Requisition: SPEC C
Test Frequency: Daily 
Routine TAT: 2/hr 
Stat TAT: 45 min 
CPT Code(s): 82950, 82951, 82992 
LCD or NCD:  
Methodology Used: 20
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 04/23/2014
Time: 12:05:06 (24hr)