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Test Code LAB2103 THYROID CASCADE

Important Note

TSH is performed first. If the TSH is outside the normal range, a T4, Free is ordered automatically (CPT: 84439). If the TSH is low and the T4, Free is normal based on the appropriate reference range for the age/sex of the patient, a T3, Total is ordered (CPT: 84480).

Test subject to Medicare National Coverage Determination (NCD) 190.22 - Thyroid Testing.

Test is designed for ambulatory adults only.

Additional Codes

Epic Code Atlas Code Mayo Access ID Order LOINC Legacy Code
LAB2103 THCAS FAH5791 3016-3 THCAS

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
SST Serum Refrigerate 4 mL 1 mL 0.6 mL 7 days

 

Test Schedule / Analytical Time / Test Priority

Daily / 1 day / Available STAT

Method

See individual tests

CPT(s)

See individual tests

Instrumentation

Ortho Vitros 5600

Reference Range

See Individual Tests

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

Result Component(s)

Reporting Name Epic Code Atlas Code Mayo Access ID LOINC 
TSH   TSH3   3016-3