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GENERAL INFORMATION

  **QUICK REFERENCE** 

HMC COLLECTION TUBES

 

HMC LABORATORY INFORMATION

HMC LABORATORY SERVICES

SPECIMEN COLLECTION and  TRANSPORT

PATHOLOGY REQUISITIONS (Printable Forms)

FORMS (printable Patient Instructions)

 

 

 

Mayo Clinic Laboratories

Test Code TYGTM Thyroglobulin, Tumor Marker, Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

Thyroglobulin, Tumor Marker

Useful For

Follow-up of patients with differentiated thyroid cancers after thyroidectomy and radioactive iodine ablation


Ordering Guidance


For accurate analysis of patients who are known to be thyroglobulin antibody positive, order TGMS / Thyroglobulin Mass Spectrometry, Serum.



Specimen Required


Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Red top

Acceptable: None (serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Type

Serum Red

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  7 days

Day(s) Performed

Monday through Saturday

Reference Values

Thyroglobulin Tumor Marker

≤33 ng/mL

 

Thyroglobulin Antibody:

<1.8 IU/mL

Reference values apply to all ages.

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.

Method Name

Immunoenzymatic Assay

CPT Code Information

84432

86800

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HTG2 Thyroglobulin, Tumor Marker 57780-9

 

Result ID Test Result Name Result LOINC Value
TGAB2 Thyroglobulin Antibody, S 56536-6
HTGN2 Thyroglobulin, Tumor Marker, S 3013-0
HTG2I Thyroglobulin Interpretation 69053-7

Report Available

1 to 3 days

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Oncology Test Request (T729)

-Renal Diagnostics Test Request (T830)