Cystatin C, Serum with Reflex to Estimated Glomerular Filtration Rate (eGFR) CYSTAT

Method(s) Quantitative Nephelometry
Specimen Required
Collect

5 mL gold (SST), plasma separator (PST), or green (Lithium or Sodium Heparin) top tube.

Transport

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

Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 3 months

Unacceptable Conditions

Grossly hemolyzed specimens.

Schedule Daily
Billing Code 5011893
CPTCode 82610
Preferred Specimen Collection Device(s)
No Appointment Necessary
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11 Patient Service Centers in Central New York.

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