Search our extensive Laboratory Test Directory to find test codes, ordering recommendations, specimen stability information, Test Fact Sheets, and more.
Recommendations when to order or not order the test. May include related or preferred tests.
Use with FNA biopsy of thyroid nodules to diagnose benign or malignant nonmedullary thyroid nodules.
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.
Fine needle aspiration in saline.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Centrifuge to remove cellular material. Specimen must be non-viscous and free of particulate matter. Transfer 0.5 mL saline needle rinse to an ARUP Standard Transport Tube. (Min: 0.5 mL) Also acceptable: Heparinized specimens.
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Frozen.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Specimen types other than those listed. Specimens containing EDTA. Viscous specimens.
RemarksAdditional specimen collection, transport, or test submission information.
Indicate source on test request form.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
By report
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Thyroglobulin (Tg) is measured by the Beckman Coulter Access method. Results obtained with different assay methods or kits cannot be used interchangeably. The Tg result, regardless of concentration, should not be interpreted as absolute evidence for the presence or absence of papillary or follicular thyroid cancer. This test is FDA cleared but is not labeled for use with FNA fluid.
The performance characteristics of this test were determined by ARUP.
Normal values are less than 10 ng/mL (Baloch ZW et al., CytoJournal 2008, 5:1).
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA-certified laboratory and is intended for clinical purposes.
History of test changes published on ARUP Hotlines for the last two years
N/A
CPT Codes
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.
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