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Test Code QTBG Quanti FERON TB Gold In-Tube (QTBG)

Specimen Type

Blood

Container

Three special tubes collected per instructions

Preferred Volume

1 mL

Offsite Collection Instructions

1. Collect 1 mL of blood per special tube. DO NOT OVERFILL TUBES. Fill to black “square” mark on label.
2. Tube may fill slowly. Hold tube for 2-3 seconds AFTER flow ceases.
3. If butterfly used, prime tubing first. (draw small amount into red top tube to discard)
4. Shake tubes 10 times just firmly enough to ensure the entire inner surface of the tube is coated with blood, to dissolve antigens on tube walls.
5. Store at room temperature. DO NOT refrigerate.  
6. Sample must arrive at UCMC Laboratories as soon as possible, or within 10 hours of collection.

UCMC Collection Instructions

1. Collect 1 mL of blood per special tube. DO NOT OVERFILL TUBES. Fill to black “square” mark on label.
2. Tube may fill slowly. Hold tube for 2-3 seconds AFTER flow ceases.
3. If butterfly used, prime tubing first. (draw small amount into red top tube to discard)
4. Shake tubes 10 times just firmly enough to ensure the entire inner surface of the tube is coated with blood, to dissolve antigens on tube walls.
5. Store at room temperature. DO NOT refrigerate.  
6. Send to LSC, tube station #201 as soon as possible, or within 10 hours of collection.

Availability

Monday through Friday

Turnaround Time

3 to 4 days.

STAT Availability

Not Available

Test Methodology

Enzyme Immunoassay (EIA) / Cellular Stimulation

CPT Code

86480

Minimum Volume

1 mL

Reference Range

Negative

Fee Code

30186480