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TEST ID QFT4 QuantiFERON-TB Gold Plus, Blood


Ordering Guidance


This test is not recommended for use for diagnosis of active tuberculosis (TB) infection. It can be used as an aid to detect latent TB infection.



Specimen Required


Supplies:

-QuantiFERON-TB Gold Plus Collection Kit (T794)

-QuantiFERON-TB Gold Plus HIGH ALTITUDE Collection Kit (T795)

Collection Instructions:

1. Special collection, incubation, and centrifugation procedures must be followed.

2. For blood collection options (1-tube collection or 4-tube collection) and specimen transport instructions, see Mycobacterium tuberculosis Infection Determination by Quanti-FERON-TB Gold Plus Collection and Processing Instructions (T688).


Useful For

Indirect test for Mycobacterium tuberculosis infection, to be used in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations

 

This test is not recommended for use for diagnosis of active tuberculosis infection.

Method Name

Chemiluminescence Immunoassay (CLIA)/Enzyme-Linked Immunosorbent Assay (ELISA) as appropriate

Reporting Name

QuantiFERON-Tb Gold Plus, B

Specimen Type

Whole blood

Specimen Minimum Volume

4 mL: 1 mL per tube (4 tubes)

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole blood Refrigerated 28 days QTBKIT

Reject Due To

Specimen submitted not following kit guidelines Reject
Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

Negative

Day(s) Performed

Monday through Friday

Report Available

2 to 5 days

Specimen Retention Time

Until testing is complete

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86480

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Infectious Disease Serology Test Request (T916)

-Microbiology Test Request (T244)

-Kidney Transplant Test Request