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Lab Test Dictionary
Cystatin C with Glomerular Filtration Rate, Estimated (eGFR) (94588) (Back-Up Only)
Methodology
Particle Enhanced Turbidimetric Immunoassay (PETIA)
Synonyms
CysX; CysC
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB08086
Lab Test Days
Tuesday or Friday
Standard TAT
2-4 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Serum separator tube (SST) is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 14 Days; Refrigerated: 14 Days; Frozen: 30 Days
Test Volume Required
1 mL Serum
Minimum Test Volume
0.5 mL Serum
CPT Codes
82610
Revised
7/6/26
Initials
SA