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Creatinine EGFR panel

Test Code
CREATININE EGFR PANEL


Alias/See Also
Chemistry


Includes
Creatinine
EGFR calculation


Preferred Specimen
Light Green Top Tube -Plasma


Minimum Volume
2 mL


Other Acceptable Specimens
Gold Top Tube


Transport Temperature
Refrigerate


Specimen Stability
Room temperature: 7 days
Refrigerated (2-8°C): 7 days
Frozen (-20°C or colder): 3 months


Methodology
Kinetic Jaffe

Setup Schedule
Daily


Report Available
TAT 1 day


Reference Range
Test Reference range Units
Creatinine 0.5 - 1.5 mg/dL
EGFR > 60 mL/min


Clinical Significance
Serum creatinine is useful in the evaluation of kidney function and in monitoring renal dialysis. A serum creatinine result within the reference range does not rule out renal function impairment: Serum creatinine is not sensitive to early renal damage since it varies with age, gender and ethnic background. The impact of these variables can be reduced by an estimation of the glomerular filtration rate using an equation that includes serum creatinine, age and gender.
 

 

eGFR= estimated Glomerular Filtration Rate
eGFR < 60 ml/min indicates the presence of chronic kidney disease. Lower doses of some drugs may be needed in patients with eGFR < 60.
eGFR<60: associated with increased risk of cardiovascular disease. Patients with eGFR <30 should be referred for renal consultation.

eGFR (estimated Glomerular Filtration Rate)

  • EGFR (CKD-EPI 2021)

eGFRcr = 142 x min(Scr/κ, 1)α x max(Scr/κ, 1)-1.200 x 0.9938Age x 1.012 [if female]
where:   Scr = serum creatinine in mg/dL
κ = 0.7 (females) or 0.9 (males)
α = -0.241 (female) or -0.302 (male)
min(Scr/κ, 1) is the minimum of Scr/κ or 1.0
max(Scr/κ, 1) is the maximum of Scr/κ or 1.0
Age (years)

Note: Calculators for checking the accuracy of this calculation are available on this website:
eGFR Calculator | National Kidney Foundation (https://www.kidney.org/professionals/kdoqi/gfr_calculator)
 



Performing Laboratory
Test performed in BACL Chemistry Labs
Contact: Jonathan Dryjowicz-Burek, West Roxbury 857-203-5973
Alternate contact Joseph A. Manzone JP 857-364-5092
Alternate contact Diane Robert  BR 774-826-2294
Alternate contact Bhumikaben Patel Bedford 781-687-2976


Last Updated: December 15, 2025


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.