Thyroid-Stim Immunoglob

Test ID: Z0221 CPT code: 84445 LOINC: 30567-2 Specimen Type: Red, SST , Lav (EDTA) tube, or green (heparin) Frequency: 2 – 4 days Instructions: 3 mL Serum or Plasma from Red, SST , Lav (EDTA), or green (heparin), Refrigerate, Separate within two hours . Min 0.3...

Thyroxine (T4)

Test ID: T4 CPT code: 84436 LOINC: 3026-2 Specimen Type: Red, SST Frequency: Setup: Mon-Fri; TAT 1-3 days Instructions: 0.5mL serum from Red gel tube. Min 0.3mL. Text: Evaluate thyroid function; diagnose T4 toxicosis. Methodology:...

Thyroxine Free, by Dialysis

Test ID: Z0955 CPT code: 84439 LOINC: 6892-4 Specimen Type: Red, SST, OR Lav (EDTA) tube Frequency: 6 – 11 days Instructions: 1.0 mL Serum or Plasma from Red,SST,OR Lav-top(EDTA)tube, Frozen, Separate within 45 minutes. Min 0.5 mL; Pediatric Volume: 0.4 mL....

Thyroid Autoantibodies

Test ID: TAB CPT code: LOINC: Specimen Type: Frequency: Setup: Monday-Friday Instructions: Draw in an SST or plain red. Refrigerate. Good for 2 days refrigerated. Text: Components: TPO Thyroperoxidase AB (TPO); ATG Thyroglobulin Ab screen. Methodology:...

Thyrotropin Receptor Ab

Test ID: Z0697 CPT code: 83520 LOINC: 5385-0 Specimen Type: SST (preferred) or Red Frequency: 1 – 3 days Instructions: 1 mL Serum from SST (preferred) or Red, Frozen. Min 0.7. Text: Diagnosis of hyperthyroidism and Graves’ disease. Thyrotropin-receptor...