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Test Code CREA WB Creatinine, Whole Blood

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
General Hospital Laboratory 304-388-6244
Women and Children's Hospital Laboratory 304-388-2385
Teays Valley Hospital Laboratory 304-757-1770
Plateau Medical Center Laboratory 304-469-8621
Greenbrier Valley Laboratory 304-647-6060

Specimen Requirements

Whole Blood- Dark Green Lithium Heparin

4 mL of whole blood (minimum 2 mL)

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient

Storage and Stability

Room Temperature 30 minutes
Ice Slurry 2 hours

Reference Values

Male > 18 yrs 0.7-1.3 mgdL
Female >18 yrs 0.6-1.2 mg/dL
>10-18 yrs 0.3-0.9 mg/dL
>2-10 yrs 0.2-0.7 mg/dL
>1 month-2 yrs 0.2-0.5 mg/dL
0- 1 month 0.2-1.0 mg/dL

Test Calculation

eGFRcr = 142 x min(Scr/κ, 1)α x max(Scr/κ, 1)-1.200 x 0.9938Age x 1.012 [if female]

Methodology

Amperometry

Days Test Set Up and Turnaround

Monday through Sunday, Continuously 

Results expected within 1 hour