Serum Creatinine (Cr)

 Creatinine is a specific indicator of renal function. Increased levels of creatinine indicate a slowing of the glomerular filtration rate.

Normal Lab Value for Serum Creatinine

• 0.6 to 1.3 mg/dL

Nursing Considerations

• Instruct the client to avoid excessive exercise for 8 hours and excessive red meat intake for 24 hours before the test.