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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CYSTATIN AND CREATININE WITH EGFR
Test CodeLAB95229
Includes
Creatinine
Cystatin C
eGFR
Cystatin C
eGFR
Preferred Specimen
2 mL serum
Minimum Volume
1 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly icteric • Anticoagulants other than heparin
Methodology
Spectrophotometry (SP) • Particle Enhanced Turbidimetric Immunoassay (PETIA)
Clinical Significance
The estimated Glomerular Filtration Rate (eGFR) with Creatinine and Cystatin C is supported by the National Kidney Foundation and was specifically requested by the NKF as part of the organization's 2021 announcement of race-free equations for estimating kidney function.
