Sign in →

Test Code T3UP T3 Uptake

Specimen Required

1 mL serum or Plasma

Specimen Minimum Volume

0.5 m

Specimen Stability

Room temperature: 7 days Refrigerated: 10 days Frozen: 28 days

Day(s) and Time(s) Performed

Sun-Fri a.m., nights
Sat a.m.

Method Name

Immunoassay (IA)

Collection Container / Tube

Preferred: Golf SST Tube
Other Acceptable Container: Sodium or lithium heparin (green-top) tube

Transport / Storage Conditions

Room temperature

Reference Values

22-35 %

CPT Codes

84479

Analytic Time

Next day

Alias/See Also

Resin Uptake,T 3 Index,T 3RU,T 3 Resin Uptake,T 3 (Triiodothyronine),Hanolsky Uptake Test,Triiodothyronine, Resin Uptake (T 3)
LAB5862