CPT Code: 84480 Order Code: C144 ABN Requirement: No Synonyms: Total T3; T3 Specimen: Serum Volume: 0.5 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST, Tiger Top) Collection: Collect and label sample according to standard protocols. Gently invert tube 5 times immediately after draw. DO NOT SHAKE. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. Transport: Store serum more »
Triiodothyronine (T3), Free
CPT Code: 84481 Order Code: C143 ABN Requirement: No Synonyms: Free T3; Unbound T3; FT3 Specimen: Serum Volume: 0.5 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST, Tiger Top) Collection: Collect and label sample according to standard protocols. Gently invert tube 5 times immediately after draw. DO NOT SHAKE. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. Special more »
Thyroxine (T4), Total
CPT Code: 84436 Order Code: C158 ABN Requirement: No Synonyms: Total T4; T4 Specimen: Serum Volume: 0.5 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST, Tiger Top) Collection: Collect and label sample according to standard protocols. Gently invert tube 5 times immediately after draw. DO NOT SHAKE. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. Special Instructions: Samples more »
Thyroxine (T4), Free
CPT Code: 84439 Order Code: C142 ABN Requirement: No Synonyms: Free T4; Unbound T4; FT4 Specimen: Serum Volume: 0.5 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST, Tiger Top) Collection: Collect and label sample according to standard protocols. Gently invert tube 5 times immediately after draw. DO NOT SHAKE. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. Special more »
Thyroid Stimulating Hormone (TSH)
CPT Code: 84443 Order Code: Thyroid Stimulating Hormone (TSH): C157 Reflex Order Codes: TSH with Reflex to Free T4: C513 Ages ≥20 years: If TSH is <0.40 or >4.50 mIU/L, Free T4 will reflex at an additional charge, CPT 84439. Ages 1-19 years: If TSH is <0.50 or >4.30 mIU/L, Free T4 will reflex at an additional charge, CPT 84439. more »