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HelpTest Code TGMS Thyroglobulin Mass Spectrometry, Serum
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: None (gel tubes/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.25 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 7 days |
| Frozen | 416 days | |
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Reference Values
Healthy individuals with intact, functioning thyroid: ≤33 ng/mL
Day(s) Performed
Monday through Friday
Report Available
3 to 10 daysSpecimen Retention Time
14 monthsPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84432