Test directory: Cystatin C with eGFR

Ordering Code6422
Test NameCystatin C with eGFR
AliasCystatin C with GFR, Estimated
Cystatin C with Glomerular Filtration Rate, Estimated
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in Lithium Heparin (Green)
Serum in Plain (Red)
Optimum Volume1 mL
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityRefrigerated: 7 Days
Frozen: 6 Months
Avoid multiple freeze and thaw.
Rejection CriteriaWrong specimen type, Ambient
Avail. StatNO
Analytic Time2 Days
MethodologyParticle enhanced immunoturbidimetric assay

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Cystatin CALL0.60 - 0.970.60 - 0.97mg/L
eGFR CKD-EPI Cys 2012ALL>=90>=90mL/min/1.73m2
eGFR CKD-EPI Cys 2012 MALL>=90>=90mL/min/1.73m2
eGFR CKD-EPI Cys 2012 FALL>=90>=90mL/min/1.73m2