Ultrasensitive TSH

Test Code: TD_4274
CPT Code(s): 84443

$24

Test Details

Alternative Name(s)

3rd generation TSH
Third generation TSH
TSH, 3rd generation
TSH, ultra-sensitive
utsh

Test Includes

TSH

Methodology

Roche COBAS Electrochemiluminescent Immunoassay (ECLIA)

Rejection Criteria

Gross Hemolysis

Reference Range(s)

“ultratsh

Specimen Requirements

Preferred Specimen

Serum separator tube

Minimum Volume

0.75 mL serum

Sample Stability

8 days room temperature
2 weeks refrigerated
2 years frozen.

Transport Temperature

Refrigerated

Collection Instructions

2 mL serum. Allow SST to clot in an upright position for
at least 30 minutes, then centrifuge sample within 2 hours
of collection. Refrigerate

Alternative Specimen

2 mL serum from a plain red top tube. 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.