Thyroid Function, Adult Hyperthyroid/TSH Suppression Test Group

TEST: 500713
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CPT: 84436; 84443; 84479; 84480
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Test Includes

Thyrioid-stimulating Hormone(TSH)-ICMA, T3, T4, T3 Uptake, Free T4 Index

Expected Turnaround Time

1 - 3 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Serum

Volume

2 mL

Minimum Volume

0.8 mL (Note: This volume does not allow for repeat testing.)

Container

Red-top tube

Collection

Separate serum within one hour, transfer into a plastic transport tube

Storage Instructions

Ship frozen on dry ice.

Test Details

Methodology

See individual assays