Cystatin C with Estimated GFR MGH Order Code: CYSTT 
    Site
 
MGH
 
    System
 
SUNQUEST LAB
 
    Epic Lab Code
 
LAB100100
 
    Local Code
 
CYSTT
 
    Specimen
 
BLOOD
 
    Container
 
Light green gel, 3 ml
 
    Collection Instructions
 
As of 7/7/22, preferred tube is now 3 mL Green top gel. Gold top with gel is also acceptable.
 
    Turnaround Time
 
1 day
 
    Test Usage
 
An index of glomerular filtration rate, especially in patients where serum creatinine may be misleading (eg, very obese, elderly, or malnourished patients)
Assessing renal function in patients suspected of having kidney disease
Monitoring treatment response in patients with kidney disease
 
    Additional Information
 
Cystatin C Ordering Guidelines
 
    Reference Range
 
CYSTATIN C
 (ng/mL)
All Ages                       0.61-0.95
 
    Department
 
CHEMISTRY
 
    Methodology
 
Immunoturbidimetric
 
    Category
 
CORE
 
    Last Update
 
5/10/2023 13:17:26