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Creatinine (Cr)

What is the Lab Name for Creatinine?


What is the Lab Abbreviation for Creatinine?


What is Creatinine in terms of Nursing Labs?

Creatinine (Cr) is a byproduct of creatine metabolism, and it is excreted by the kidneys. Creatinine is created in proportion to muscle mass and usually stays stable.

What is the Normal Range for Creatinine?

0.7-1.4 mg/dL

What are the Indications for Creatinine?

  • Identify:
    • Muscular disorders
    • Renal disease

What would cause Increased Levels of Creatinine?

  • Gigantism
  • Acromegaly
  • Renal disease
  • Rhabdomyolysis
  • Congestive Heart Failure (CHF)
  • Dehydration
  • Shock
  • Hyperparathyroidism

What would cause Decreased Levels of Creatinine?

  • Loss of muscle mass
  • Muscular Dystrophy
  • Inadequate protein intake
  • Pregnancy
  • Liver disease

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