High Sensitivity Thyroid Stimulating Hormone, serum
Test Code
hTSH
Description
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.3mL serum
Unacceptable Conditions
Grossly hemolyzed specimens, more than one freeze/thaw cycle
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
24 hours at RT (15-25°C)
7 days hours refrigerated 2-8°C
6 months frozen at ≤ -10°C
Performed
Mon-Fri
Methodology
Chemiluminescent Magnetic Immunoassay (CLIA)
Turnaround Time
4 hour routine, 1 hour STAT
Department
Core Lab
Synonyms
TSH
Related Tests
Quantiferon TB Test (QTB)
Reference Interval
All: 0.34 - 5.60 mcIU/mL
CPT Code
84443