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Test Code TGQN Thyroglobulin, Tumor Marker, Serum


Specimen Required


Only orderable as part of profile. For more information see IETG / Interference Evaluation Heterophile, Thyroglobulin Tumor Marker, Serum.

 

Patient Preparation: For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

Collection Container/Tube: Red top (serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 2.5 mL


Useful For

Quantitative thyroglobulin measurement as a part of evaluating suspected interference from heterophile antibodies causing a falsely elevated thyroglobulin result

Method Name

Only orderable as part of profile. For more information see IETG / Interference Evaluation Heterophile, Thyroglobulin Tumor Marker, Serum.

 

Immunoenzymatic Assay

Reporting Name

Thyroglobulin, Tumor Marker, S

Specimen Type

Serum Red

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 14 days
  Frozen  90 days
  Ambient  7 days

Reference Values

Only orderable as part of profile. For more information see IETG / Interference Evaluation Heterophile, Thyroglobulin Tumor Marker, Serum.

 

Athyrotic: <0.1 ng/mL

Intact thyroid: ≤33 ng/mL

Day(s) Performed

Monday through Friday

Report Available

3 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

84432

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TGQN Thyroglobulin, Tumor Marker, S In Process

 

Result ID Test Result Name Result LOINC Value
TGQN Thyroglobulin, Tumor Marker, S In Process