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Test ID BLOD1115 Thyroglobulin, Tumor Marker, Serum

Useful For

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

Specimen Type

Serum Red


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: Red top (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

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus Reject

Specimen Stability Information

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

Day(s) Performed

Monday through Saturday

Report Available

1 to 3 days

Method Name

Immunoenzymatic Assay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84432

86800

Reporting Name

Thyroglobulin, Tumor Marker

Reference Values

Thyroglobulin Tumor Marker

Athyrotic: <0.1 ng/mL

Intact thyroid ≤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.

Forms

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

-General Request (T239)

-Oncology Test Request (T729)

Secondary ID

62800
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
13359 Thyroglobulin Tumor Marker
13358 Thyroblobuin Anitbody
17983 Thyroglobulin Interpretation