T7

T7, Serum or Plasma

EPIC Test Procedure Code: LAB2410

Synonyms:
Thyroid Profile
FRTUP
Performing Lab:
Referral Laboratory
Patient Preparation:

1. For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins. 

2. If patient is receiving treatment with lipid-lowering agents containing dextrothyroxine (D-T4), discontinue for 4 to 6 weeks prior to specimen collection

Container Type:
Serum Gel (Preferred), Red Top
Specimen Type:

Serum 

Preferred Volume:
1 mL
Minimum Volume:
0.5 mL
Store and Transport:
Refrigerated
Stability:

Refrigerated- 7 days

Room Temperature- 72 hours

Frozen- 30 days

CPT Codes:

84436 - T4 - Send Out (EAP 30015150)
84479 - T Uptake (EAP 30015520)

Test Schedule:
Monday through Sunday
Turnaround Time:
2-3 days
Method:
TUPC: Electrochemiluminescence Immunoassay (ECLIA)
T4S: Electrochemiluminescence (ECL)
FRTI: Calculation

Lab Personnel

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