Yale New Haven Hospital

Department of Laboratory Medicine
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T3, free

Lab Section: 

Sendout Reference

 

Lab Location: 

Sendout

Reference Lab: 

Quest

 

Test ID: 

LAB137

 

Methodology: 

Immunoassay

Schedule: 

Monday-Saturday

Reported: 

5 days

Specimen Requirements: 

Collection: 3.0 mL Blood in a Red Top Tube.
Pediatric volume: 1 mL.
Gold top acceptable
Transport: Room temperature.
Stability: Ambient: 7 days; Refrigerated: 7 days; Frozen: 28 days

 

Notes: 

Clinical Indications: This test is used to diagnose hyperthyroidism and to clarify thyroid status in the presence of a possible protein binding abnormality.

Reference Interval: 

See patient report or consult reference laboratory website.

http://www.questdiagnostics.com/testcenter/TestDetail.action?tabName=OrderingInfo&ntc=90963

CPT Code(s): 

84481

Last Changed: 

8/14/2017 7:25:41

Last Reviewed: 

8/14/2017 7:25:41