Creatinine reference range

creatinine reference range age wise:

  • 0-14 days (both genders): 0.32-0.92 mg/dL
  • 15 days to <2 years (both genders): 0.10-0.36 mg/dL
  • 2-3 years (both genders): 0.20-0.43 mg/dL
  • 3 to 5 years (both genders): 0.31-0.51 mg/dL
  • 5 years to 17 years (both genders): 0.36-0.84 mg/dL
  • more than 18 years (males): 0.6-1.1 mg/dL
  • more than 18 years (females): 0.4-0.8 mg/dL.

Reference: Tietz fundamentals of clinical chemistry and molecular diagnostics,8th edition.

Deriving and establishing reference ranges specific to a particular laboratory’s patient population is recommended in clinical laboratory medicine.

Creatinine is a waste product generated by muscle metabolism and excreted by the kidneys. Blood creatinine levels are often used as a measure of kidney function.

Purpose of the Creatinine Test:

The primary purpose of the creatinine test is to assess kidney function. Creatinine is a waste product generated by muscle metabolism, and it is typically filtered out of the blood by the kidneys and excreted in urine. When the kidneys are functioning normally, they maintain a relatively stable creatinine level in the blood. Elevated levels of creatinine can be a sign of reduced kidney function.

Creatinine values are often used in conjunction with eGFR calculations to provide a more comprehensive assessment of kidney function.

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