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Recommendations when to order or not order the test. May include related or preferred tests.
Recommended test for quantifying thyroglobulin in individuals with antithyroglobulin antibodies. Aids in surveillance of residual/recurrent thyroid cancer in individuals who have developed antibodies to thyroglobulin.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Serum separator tube or green (sodium or lithium heparin), potassium EDTA
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Separate from cells: Transport 1.5 mL serum or plasma. (Min: 0.7 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated or frozen.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Samples left ambient for greater than 1 day; grossly lipemic samples.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
After separation from cells: Ambient: 1 day; Refrigerated: 1 week; Frozen: 1 year
Methodology
Process(es) used to perform the test.
High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Days of the week the test is performed.
Mon, Wed, Thu, Sat
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
2-6 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Age
Reference Interval
6 months - 3 years
7.4 - 48.7 ng/mL
4 - 7 years
4.1 - 40.5 ng/mL
8 - 17 years
0.8 - 29.4 ng/mL
18 years and older
1.3 - 31.8 ng/mL
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Lower limit of detection for thyroglobulin by LC-MS/MS is 0.5 ng/mL.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
Thyroglobulin by LC-MS/MS, Serum or Plasma (Test on Delay as of 10/25/2024)
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