Triiodothyronine (T3), Total

Cleveland HeartLab T, Test, Thyroid Function

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

Cleveland HeartLab T, Test, Thyroid Function

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

Cleveland HeartLab T, Test, Thyroid Function

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

Cleveland HeartLab T, Test, Thyroid Function

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)

Cleveland HeartLab T, Test, Thyroid Function

CPT Code: 84443 Order Code: Thyroid Stimulating Hormone (TSH): C157 Reflex Order Codes: TSH with Reflex to Free T4: C513 (If TSH is <0.500 uU/mL or >4.500 uU/mL then Thyroxine (T4), Free (FT4)will be performed at an additional charge (CPT 84439). ABN Requirement:  No Synonyms: TSH Specimen: Serum Volume: 0.5 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST, Tiger Top) more »