Ribosome P IgG

Test ID: Z1826 CPT code: 88184 LOINC: 53892-6 Specimen Type: Red or Gel Clot Frequency: Setup: Daily; Analytic time 1 day Instructions: 0.5mL serum from red or SST, Refrigerated. Min 0.35mL Text: A positive result is consistent with the diagnosis of lupus...

Renin Activity

Test ID: Z0070 CPT code: 84244 LOINC: 2915-7 Specimen Type: EDTA Frequency: 3 – 7 days Instructions: 1 mL Plasma from Lav (EDTA), Frozen, Freeze plasma immediately. Min 0.8 mL. Text: Renin activity is useful in the differential diagnosis of individuals with...

Reptilase Time

Test ID: Z2401 CPT code: 85635 LOINC: 6683-7 Specimen Type: Blue (sodium citrate) Frequency: 2 – 3 days Instructions: 1 mL Plasma from Blue-top (sodium citrate), Frozen, platelet poor plasma. FREEZE immediately Text: Diagnosis of fibrinogen deficiency, both...

Respiratory culture (Cystic Fibrosis)

Test ID: CXCF CPT code: 87070 LOINC: 623-9 Specimen Type: Frequency: Setup: Daily; Prelim 24 hr; Final 72 hr Instructions: Deep cough , expectorated sputum or deep throat swab in children less than or equal 2yrs. Text: Pathogens and normal flora –...

Reticulocyte Count Auto

Test ID: RETA CPT code: 85045 LOINC: 17849-1 Specimen Type: EDTA Frequency: Setup: Daily; TAT 2mL whole blood in lavender top tube. Min/ 0.5mL microtainer. Stable at room temp 24 hours or refrigerated 3 days. Text: Evaluate erythropoietic activity (increased in acute...

Retinol Binding Protein

Test ID: Z0991 CPT code: 83883 LOINC: 1836-6 Specimen Type: Red, SST, OR green-top (heparin) tube Frequency: 3 – 6 days Instructions: 1 mL Serum or Plasma from Red, SST, OR green-top (heparin) tube, Ambient. Min 0.4 mL. Text:Responsible for binding &...