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Laboratory Test Directory

Creatinine, Fluid

Components

Name Method Department Units
Creatinine, Fluid Enzymatic, reflectometry
Core Lab, Chemistry, Routine mg/dL

Specimen Requirements

Fluids

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Refrigerated - 5 day(s)
Room temperature - 3 day(s)

Specimen Preparation

  • Transport to laboratory as soon as possible
  • Centrifuge within 1 hour, separate supernatant and refrigerate

Reasons for Rejection

  • Sample too viscous

Comments

Identify fluid type. Not all fluids can be assayed. Interpret results with caution. Reference ranges are not available.

CPT Code

  • 82570