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Test Code TSH Thyroid-Stimulating Hormone - Sensitive (hs-TSH)

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
General Hospital Laboratory 304-388-6244
Women and Children's Hospital Laboratory 304-388-2385
Teays Valley Hospital Laboratory 304-757-1770
Plateau Medical Center Laboratory 304-469-8621

Specimen Requirements

Plasma-Mint Green, Dark Green Lithium Heparin or Serum-SST gold top, red top

Allow SST or red top to completely clot

Spin and physically separate plasma/serum from contact with cells as soon as possible

4 mL of plasma/serum (minimum 2 mL)

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Hemolyzed 

Storage and Stability

Room temperature 15-30oC 18 hrs
Refrigerated 2-8oC 7 days
Frozen <-20oC 90 days

Reference Values

Gender Age Reference Range    (mcIU/mL)
Male 0 minutes - 5 days 0.7 - 15.2
Male 5 days - 2 months 0.7 - 11.0
Male 2 months - 11 months 0.7 - 8.4
Male 11 months - 5 yrs 0.7 - 6.0
Male 5 yrs - 10 yrs 0.6 - 4.8
Male 10 yrs-19 yrs 0.5 - 4.3
Male 19 yrs- 180 yrs 0.45 - 5.33
Female 0 minutes - 5 days 0.7 - 15.2
Female 5 days - 2 months 0.7 - 11.0
Female 2 months - 11 months 0.7 - 8.4
Female 11 months - 5 yrs 0.7 - 6.0
Female 5 yrs - 10 yrs 0.6 - 4.8
Female 10 yrs-19 yrs 0.5 - 4.3
Female 19 yrs- 180 yrs 0.45 - 5.33

Methodology

Chemiluminescent two-site immunoenzymatic sandwich assay

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

84443