Synonyms
Thyroxine
Specimen Type
Serum
Performing Lab
RCHSD Chemistry
Epic ID
LAB126
Lab Test Days
Monday-Friday
Standard TAT
8 hrs
Stat TAT
N/A
Collection Information
Specimen Required
1 mL Blood
Container Type
Light Green (Lithium Heparin PST)
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube is acceptable. Serum collected in (red-top) or serum separator tube (SST) is also acceptable.
Processing Information - Lab Use Only
Test Volume Required
0.3 mL Plasma or Serum
Minimum Test Volume
0.3mL Plasma or Serum
Processing Instructions
Centrifuge and separate plasma or serum. Give to Chemistry Monday-Friday. Place in refrigerator on weekends.
CPT Codes
84436
Revised
05-11-14
Initials
SL