Reverse T3

Test ID: Z4125 CPT code: 84482 LOINC: 3052-8 Specimen Type: SST or RED Frequency: 4 – 6 days Instructions: 1 mL Serum from Red or SST, Ambient. Min 0.6 mL. Text: In acutely ill patients (after acute MI or other patients in intensive care), an elevated rT3 level...

RH Type

Test ID: RH1 CPT code: 86901 LOINC: 10331-7 Specimen Type: EDTA Frequency: Setup: Daily; TAT

Rheumatoid Factor

Test ID: RF CPT code: 86431 LOINC: 11572-5 Specimen Type: SST Frequency: Setup: Mon-Fri; TAT 1-3 days Instructions: >0.5mL serum from SST or red top on fasting patient. Centrifuge as soon as clotted. No hemolysis Text: Differential diagnosis and prognosis of...

RBC

Test ID: RBC CPT code: 85041 LOINC: 789-8 Specimen Type: EDTA Frequency: Setup: Daily; TAT

Reducing Subst, Stool

Test ID: SREDU CPT code: 84376 LOINC: 11060-1 Specimen Type: Stool Frequency: Setup: Daily; TAT 1-2 days Instructions: >1g fresh stool specimen. Send to AMS refrigerated. AMS to send out frozen. Acceptable 1 week refrigerated, Ambient unacceptable. Text: Detect...