T4

T4 (Thyroxine), Total Only, Serum or Plasma

EPIC Test Procedure Code: LAB2434

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

Serum or plasma

Preferred Volume:
2 mL
Minimum Volume:
1 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:

84436 -T4 (EAP 30015140)

Test Schedule:
Monday through Sunday
Reference Ranges:

4.5 - 10.9

μg/dL

Lab Personnel

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