Cystatin C (STC)

Department: Chemistry
Test Synonym(s): LAB3417, STC
Test Components: Cystatin C
CPT Codes: 82610
Methodology: Immunoassay
Reference Range: 0-1mo: 1.5-2.85 mg/dL; 1mo-5mo: 1.01-1.92 mg/dL; 5mo-1year: 0.75-1.50 mg/dL; 1yr-2yr: 0.60-1.20 mg/dL; 2yr-18yr: 0.62-1.11 mg/dL; 18 yr-150yr: 0.51-1.05 mg/dL
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 1 light green top
Temperature: Separate from cells, ambient 24hrs
Stability: Room temperature: 7 days; Refrigerated: 7 days; Frozen: N/A
Reasons for Rejection: EDTA, fluoride oxalate or citrated collection
Days Performed: Daily
Times Performed: Continuous

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