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Creatinine w/ GFR
Test CodeCRE
Alias/See Also
CREAT, GFR, eGFR
CPT Codes
82565
Includes
GFR-1 if non-African American
GFR-2 if African American
GFR-3 COMMENT
GFR-2 if African American
GFR-3 COMMENT
Preferred Specimen
3.5 mL Lithium Heparin (mint top tube)
Minimum Volume
1 mL S/P
Other Acceptable Specimens
Serum red top tube
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 3 months
Refrigerated: 7 days
Frozen: 3 months
Reference Range
Male/Female Ages >=1 Day: 0.6-1.2 mg/dL
Performing Laboratory
Little Company of Mary Hospital
2800 W. 95th St.
Evergreen Park, IL 60805
