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gamma glutamyl transferase, serum/plasma
Synonyms: GGT 
Computer Code: GGT
Specimen Collection: 2 mL blood (red, gold, or lithium heparin green top tube).
Pediatrics: 0.5 mL blood (red or lithium heparin green microtainer). 
Minimum Volume: 0.5 mL 
Handling Instructions for Offsite Areas: Allow to clot, centrifuge for 20 minutes, refrigerate. Serum must be removed from red top tube. 
Reference Values: MALE: Up to 65 IU/L FEMALE: Up to 45 IU/L  
Lab Code: CC 
Requisition: C/H
Test Frequency: Daily 
Routine TAT: 2 hr 
Stat TAT: 45 min 
CPT Code(s): 82977 
LCD or NCD: (NCD) http://www.cms.hhs.gov/mcd/index_section.asp?ncd_sections=40 
Methodology Used: 46
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 11/29/2014
Time: 01:19:42 (24hr)