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Thyroid Stimulating Hormone (TSH)

Test Name:Thyroid Stimulating Hormone (TSH)
Epic Order Code:LAB129
CPT Code:84443  
Specimen(s) Type:Plasma or Serum
Acceptable Container(s):Tube tops are light green and gold.
Testing Schedule:24 hrs/day, 7 days/week
Turn Around Time:STAT: 1 hour
 Routine: 2 hours
Collection Information:No special patient preparation is required. Obtain specimen by standard collection procedures.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove plasma/serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport.
Reference Range:0 - 4 days:5.17-14.60 µIU/mL
 4 - 60 days:0.43-16.10 µIU/mL
 2 mos - 2 yrs:0.62-8.05 µIU/mL
 2 - 7 yrs:0.54-4.53 µIU/mL
 7 - 12 yrs:0.66-4.14 µIU/mL
 12 - 19 yrs:0.53-3.59 µIU/mL
 > 19 yrs:0.27-4.20 µIU/mL
Additional Information:The presence of autoantibodies may induce high molecular weight complexes (macro-TSH) which may cause unexpected high values of TSH.