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Thyroid Profile, Plasma or Serum
Test CodeLab Order Only Thyroid Profile (cs) -NCMC
Alias/See Also
Thyrotropin
CPT Codes
84439, 84443
Includes
Preferred Specimen
1 mL plasma from Green top (Lithium Heparin)
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 mL serum from SST or Red Top
Specimen Stability
| Specimen Type | Temperature | Time |
| Plasma Li Hep | Refrigerated | 7 days |
| Serum SST | Refrigerated | 7 days |
| Red Top – Separated* | Refrigerated | 7 days |
*Centrifuge and aliquot into a plastic vial.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, Collection after IV contrast material
Methodology
Chemiluminescence
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
See individual TSH and FT4 tests.
Performing Laboratory
North Colorado Medical Center Laboratory
