Alberta Precision Laboratories

--- Query Results ---

Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

THYROXINE (T4), FREE, Plasma or Serum - Central Zone

Test Code:

T4F

Primary Container:

Plastic 5.0 mL SST Gel (Gold)

Alternate Containers:

Plastic 4.5 mL Lithium Heparin PST Gel (Light Green)

Minimum Collection Volume:

Plasma or Serum, 0.5 mL

Specimen Collection Requirements:

Refrigerate if not tested within 8 h.

Requisition to Use: Central Zone Laboratory Requisition

Testing Schedule:

Daily - Not available Stat

Reference Interval:

FT4 Reference Intervals

Age	Gender	(pmol/L)
0 up to less than 15 days	All	13.5 – 50.0
15 days up to less than 30 days	All	8.7 – 32.5
30 days or greater	All	10.0 – 25.0

Testing Area:

Chemistry

Performing Site:

Camrose, Red Deer
Use the applicable referral laboratory test directory if this test is NOT performed on site or referred within Central Zone.

Additional Test Information:

Biotin taken in doses of >1 mg/day may interfere with testing method. Please consider discontinuing intake of multivitamin(s) containing Biotin 48 hours prior to blood collection.

Last Updated On:

Wednesday, June 22, 2022

Date of Last Review:

Feb 25 2019 12:00AM