Orderable EAP code:

LAB00153

Billable EAP Codes:

80002053 x 1

CPT Codes:

84439 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

ng/dL

Specimen Requirements:

4 ml blood in a GREEN top, lithium heparin tube or in a RED top tube.

Pediatric Specimen Requirements:

0.5 mL in a 1.0 mL GREEN top, lithium heparin tube or in a RED top tube.

Reference Range:

0.6 to 1.2 ng/dL

Synonyms:

Free T4