Thyroid Hormones (T3 & T4), Free, Fractionated, Serum/Plasma Test (7662SP)

Thyroid Hormones (T3 & T4), Free, Fractionated, Serum/Plasma Test (7662SP)

Analysis Code 7662SP 
Test Name Thyroid Hormones (T3 & T4), Free, Fractionated, Serum/Plasma 
Test Includes T3 (Triiodothyronine), Free; T4 (Thyroxine), Free 
Compound Synonym(s) FT3; FT4 
Purpose Endocrinology; This test is New York State approved. 
Category Thyroid Hormone 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 1 mL Serum or Plasma 
Transport Temperature Refrigerated 
Specimen Container Green top tube (Sodium Heparin), Red top tube (no additive) 
Special Handling Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. 
Light Protection Required Not Required 
Stability Room Temperature: 1 day(s)
Refrigerated: 7 day(s)
Frozen (-20 °C): 30 day(s) 
*Rejection Criteria Received Room Temperature. 
Day(s) Test Set-up / TAT [LC-MS/MS] Monday-Friday / 5 days 
Suggested CPT Code 84439, 84481 
**Minimum Volume 0.6 mL 
Test Summary Sheet Generate  

You are viewing Thyroid Hormones (T3 & T4), Free, Fractionated, Serum/Plasma Test (7662SP)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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This test can be ordered online

Price: $328.00