Test Code LAB136 TOTAL T3 (THYROID HORMONE)
Additional Codes
CPT Code: 84480
Methodology
Microparticle Enzyme Immunoassay (MEIA) Abbott AxSYM
Performing Laboratory
Peninsula Regional Medical Center - Chemistry
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube. Spin down and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a gold-top serum gel tube. Spin down and send 2 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
Males
1 day: 60-160 ng/dL
1 month: 70-220 ng/dL
9 years: 160-210 ng/dL
11 years: 140-230 ng/dL
15 years: 140-210 ng/dL
18 years: 87-178 ng/dL
Females
1 day: 60-180 ng/dL
1 month: 90-200 ng/dL
9 years: 150-240 ng/dL
11 years: 140-220 ng/dL
15 years: 140-220 ng/dL
18 years: 87-178 ng/dL