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latent tb infection
Synonyms: Quantiferon; Interferon Gamma Release Assay; IGRA, QFT, LTBI 
Computer Code: (LTBI)
Specimen Collection: Draw 1ml of blood in the order displayed in each of the 3 QuantiFERON®-TB Gold IT tubes listed below. Tube sets are available from Microbiology Laboratory (262-3511 Room C135). Instructions included in kit.
1.        Nil Control (Gray cap with white ring)
2.        TB Antigen (Red cap with white ring)
3.        Mitogen Control (Purple cap with white ring)
Mix tubes up and down 5 seconds or 10 times just firmly enough to ensure the entire surface of the tube has been coated with blood. (Do not shake vigorously). 
Minimum Volume: 3 x 1mL The black marks on the side of the tube indicate the 1ml fill volume. If Butterfly needle used a pour off tube should be used to purge the extra air in the tubing. 
Handling Instructions for Offsite Areas: Specimen must be in the lab within 16 hours of being drawn. Transport specimen at room temperature. 
Reference Values: Negative  
Lab Code: MIC 
Requisition: SPEC M
Test Frequency: 2/week 
Routine TAT: 1-8 days 
Stat TAT: NA 
CPT Code(s): 86480 
LCD or NCD:  
Methodology Used: 19
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 05/25/2016
Time: 16:52:50 (24hr)