ARUP's Laboratory Test Directory

Cystatin C, Serum : 0095229

Mnemonic: CYSTAT C

Methodology: Quantitative Nephelometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Serum separator tube or plasma separator tube.

Specimen Preparation: Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.4 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Grossly hemolyzed specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hourS; Refrigerated: 1 week; Frozen: 2 months
Reference Interval:
0-3 months: 0.8-2.3 mg/L
4-11 months: 0.7-1.5 mg/L
1-3 years: 0.5-1.3 mg/L
4-8 years: 0.5-1.3 mg/L
9-17 years: 0.5-1.3 mg/L
18 years and older: 0.5-1.0 mg/L
CPT Code(s): 82610