Tagline

Creatinine

Creatinine – Your Kidney’s Report Card

What is Creatinine? Creatinine is a waste product from muscle metabolism, filtered by your kidneys. It’s a key indicator of kidney function.

Normal Levels

  • Men: 0.74 to 1.35 mg/dL
  • Women: 0.59 to 1.04 mg/dL

What High Levels May Indicate

  • Kidney disease or damage
  • Dehydration
  • Muscle injury or high muscle mass
  • Certain medications

Low Creatinine?

  • May be seen in malnutrition, muscle wasting, or liver disease

Tests Used

  • Serum creatinine
  • eGFR (Estimated Glomerular Filtration Rate)
  • Creatinine clearance (urine test)

How to Support Kidney Function

  • Stay hydrated
  • Control blood pressure and glucose
  • Avoid excessive NSAIDs and nephrotoxic meds


Learn more