Item Value
Test name QuantiFeron Gold TB
Available Stat? No
Turn around times 5-7 days
In House Availability Tuesday and Friday (day shift)
Performed by Immunology
Normal range NEGATIVE
Container type Requires special collection kit available from central laboratory containing:

QFT-Nil Control tube Gray cap, white ring
QFT-TB Antigen tube Red cap, white ring
QFT-Mitogen Control tube Purple cap, white ring


Note it is mandatory the tubes be filled correctly as underfilled or overfilled tubes will be rejected by lab.
Amount to Collect 3 mL blood, place 1 mL of blood into each tube in the collection kit
Collection Instructions Note: A set of three QuantiFeron Gold tubes (Gray cap/white ring, Red cap/white ring, and Purple cap/white ring) must be collected at the same time, with 1mL of blood in each tube. It is mandatory that the tubes be filled correctly as underfilled or overfilled tubes will be rejected by lab.

INPATIENT:
COLLECT SAMPLE 4 AM - 6:30 PM ON MONDAY-FRIDAY ONLY. DO NOT COLLECT SAMPLE ON WEEKENDS OR UCSF OBSERVED HOLIDAYS.

OUTPATIENTS:
COLLECT BETWEEN 7 AM – 6:30 PM ON MONDAY – FRIDAY BY UCSF LABORATORY STAFF AT OUR OUTPATIENT FACILITIES.DO NOT COLLECT SAMPLE ON WEEKENDS OR UCSF OBSERVED HOLIDAYS.

1. For Parnassus and Mission Bay inpatient only, pick up collection kits from Laboratory Central Processing. Outpatient clinics will have their own collection kits.

2. Collect 1 ml of blood by venipuncture directly into each of the three tubes (Nil, TB Antigen, Mitogen). Fill each tube up to the black mark. Under or overfilling of the tubes may lead to erroneous
results.

3. Mix the tubes by shaking firmly and vertically for 10 times and label tubes appropriately.

4. These are time sensitive samples, please deliver the tubes to the Laboratory Central Processing immediately.
Sample type BLOOD

If you have additional questions regarding this test, please call: 415-353-1667