Test 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 | Reject |
Gross lipemia | OK |
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

CPT Code Information
84432