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HelpEPIC ORDER CODE LAB126 Thyroxine, Total (T4)
Additional Codes
SQ: T4
COLLECTION
Container/Tube Type:
Green No Gel (Lithium Heparin) PREFERRED
Light Green (Heparin Plasma Separator Tube) PREFERRED
Red (No Additive)
SST (Serum Separator)
LAV (EDTA plasma)
Sample Volume Requirements:
1.5 mL blood/0.5 mL serum
Minimum Sample Volume:
0.8 mL blood/0.13 mL serum
STABILITY
Refrigerated Stability:
7 days
Frozen Stability:
1 month
Ambient Stability:
2 hours
PERFORMING LAB
Performed:
Daily
Analytical Time:
1 day
Testing Laboratory:
Pathology Laboratory
Laboratory Section:
Core Laboratory
CPT Code
84436