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T4 Thyroxine Total Only, Serum

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
T4TOT MAYO
Specimen Type:
Blood - Serum
Tube Type:
Gold Top SST (Serum Separator Tube)
Collection Volume:
2.5 mL (minimum 1.5 mL)
Cause for Rejection:
Grossly hemolyzed specimens will be rejected
Storage:
Refrigerated
Availability:
Sent to Reference Lab performed Monday through Friday 5am-12am, Saturday 6am-6pm
Methodology:
Electrochemiluminescence Immunoassay
Special Instructions:
Patient Prep - 12 hrs before blood test do not take multivitamins or dietary supplements containing biotin (Vit B7).
Lab/Phone:
330-543-8377
TAT:
1-3 days
Additional Info:
Reference Range: See reference lab ranges on report
CPT Code:
84436
Synonyms:
Syn-Thyroid T4, Serum Tetraiodothyronine Thyroid Hormone Thyroxine, Total T4 Total Only, S Thyroxine Thyroxine