ARUP's Laboratory Test Directory

Thyroid Stimulating Hormone : 0070145

Mnemonic: TSH

Methodology: Electrochemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube or plasma separator tube. Also acceptable: One 3 mL lavender (EDTA) or green (sodium or lithium heparin).

Transport:  1 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.4 mL serum or plasma at 2-8°C.

Remarks:  Allow serum to clot completely at room temperature.  Separate serum from cells ASAP.

Unacceptable Conditions:  Grossly hemolyzed specimens.

Stability:  After separation of cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month
Reference Interval:
Cord Blood: 2.00-40.00 mU/L
4-30 days: 0.43-16.10 mU/L
1-24 months: 0.62-8.05 mU/L
2-6 years: 0.54-4.53 mU/L
7-11 years: 0.66-4.14 mU/L
12 years and older: 0.30-4.00 mU/L
CPT Code(s): 84443
 
 

 

 

 
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