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Epic Code LAB137 T3 (Triiodothyronine), Free, Blood Level

Test Name Alias

Triiodothyronine Free Blood Level | T3 | 8258

Interface Order Alias

10269

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 4.5 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Plasma or Serum

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Plasma is preferred specimen type
  • Green Tube/Plasma: Centrifuge after collection.
  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

Transport Temperature: Refrigerate

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available daily, usual TAT 1 day.

Reference Range

Male/Female
0 Minutes – 150 Years: 2.2 – 3.9 pg/mL

Performing Department

CHEMISTRY

Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

CPT

84481-LAB-FREE (T3)

CDM Code

4028258

Epic Test ID

1230101243

LOINC

Free T3: 3051-0

Beaker LOINC

FREE T3: 3051-0
LIPEMIA INDEX, SERUM: N/A

Mayo Access Code

SHO8258

Reviewed Date

3/5/2020

Beaker Names

Beaker Procedure Name: T3 FREE
Beaker Display Name: T3 (Triiodothyronine), Free, Blood Level
BEAKER TEST NAME: T3 FREE
BEAKER TEST REPORT NAME: T3 Free

Beaker Synonyms

No synonym on file

Beaker Location, Container and Temperature

BW CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
BW CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated