Posted Date
Effective Date
Test Name
Thyroglobulin Mass Spectrometry
Update Type
Test Down or Delayed
CPT Code
84432
Order Code
TGMS
TEST DELAY
Thyroglobulin Mass Spectrometry
Order Code: TGMS
Fee Code: AA540 (CPT 84432)
LOINC: 30130
Reference Lab: Mayo TGMS
Due to assay issues affecting Mayo Clinic Laboratory test, TGMS, results will be delayed past the published turnaround time (4-8 days) effective October 10, 2025. Specimens will be stabilized upon arrival and processed in the order they are received. Specimens may take up to 12 days to result and the duration of the delay is expected to last up to 3 weeks or more. An update will be provided when standard testing resumes.