T3 FREE

T3 (Triiodothyronine), Free, Serum or Plasma

EPIC Test Procedure Code: LAB2408

Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Serum gel tube or green top (heparin) tube
Specimen Type:

Serum or plasma

Preferred Volume:
0.6 mL
Minimum Volume:
0.5 mL
Collection Procedure:

1. Indicate serum or plasma on the request form.
2. Label the specimen appropriately (serum or plasma).

Store and Transport:
Room Temperature: < 12 hours
Refrigerated: > 12 hours
CPT Codes:

84481 - Free T3 (EAP 30034230)

Test Schedule:
Monday through Friday
Reference Ranges:

2.3 - 4.2

pg/mL

Lab Personnel

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