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Feb 8, 2018

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100

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Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

TSH

TSH (TSH) Chemistry Lab Test

Name: TSH

Test Name: TSH

Health Link Test Code: TSH

LIS Test Code: TSH

CPT Code(s): 84443

Methodology: Chemiluminescent Immunoassay

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.6 mL

Stability Refridgerated:

7 days if removed from cells, clot or gel

24 hours on gel

Stability Frozen:

6 months

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Interpretation:

Age 9 days and up: 0.35-4.94 uIU/mL

Interpretation Type: Reference Interval