Test Details
Mnemonic
TGAB
Ordering Code
3007985
CPT-4 Code(s)
86800
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
New York Transport Temperature: Frozen
New York Transport Temperature: Frozen
Rejection Criteria
Moderately hemolyzed or grossly lipemic specimens, plasma
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 60 days
New York Stability:
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: Undetermined
Refrigerated: 7 days
Frozen: 60 days
New York Stability:
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: Undetermined
Methodology
Chemiluminescence
Reference Range
<4.0 IU/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes