Creatinine; GFR Calculation
1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin (preferred)
or
1.0 mL Serum in a SST Gold Top Tube
1.0 mL Serum from a Red Top Tube in a Plastic Vial
or
1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial
1 week Refrigerated
72 hours unspun
0.2 mL Plasma or Serum
0.3 mL Whole Blood
Male:
< 1 year: 0.3 - 1.0 mg/dl
1 year to 4 years: 0.1 - 0.4 mg/dl
5 years to 11 years: 0.2 - 0.7 mg/dl
12 years to 15 years: 0.4 - 0.9 mg/dl
> = 16 years: 0.8 - 1.40 mg/dl
Females
< 1 year: 0.3 - 1.0 mg/dl
1 year to 5 years: 0.1 - 0.5 mg/dl
6 years to 15 years: 0.3 - 0.7 mg/dl
> = 16 years: 0.6 - 1.10 mg/dl
> 10.0 mg/dL
GFR will not reflex if patient is less than 18 years of age.
IDSM Traceable
01420086
82565