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TEST ID T3UPcpl T3 UPTAKE CPL

Important Note

See CPL Lab catalog for additional information. 

Do not collect samples from patients receiving therapy with high biotin doses (>5 mg/day) until at least 8 hours following the last biotin administration.

Additional Codes

2817

Performing Laboratory

NRLS-CPL Lab

Specimen Type

Serum

Specimen Required

Container/Tube:
Preferred: Gold (Serum gel)
Acceptable: Red
Specimen Volume: 2.0 mL
 

Collection Instructions:
Serum gel tubes: Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Refrigerate.
Red-top tubes: Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated(preferred) 14 days
  Ambient 8 days
  Frozen 24 months

 

Reference Values

An interpretive report will be provided