Creatinine - Normal Range

Creatinine is a waste product of your body’s creation of energy from nutrients (energy metabolism). It passes your kidneys to be filtered and leaves your body through urine. It is a byproduct of muscle function. If a person has many muscles, he will have a high creatinine level. Levels of creatinine in the blood reflect two things: the amount of muscle a person has and their kidney function. The creatinine level is usually tested through a serum creatinine test. This article will introduce to you normal creatinine range.

Normal creatine range, serum creatine test and high creatine level
People with muscles usually have a high creatine level.

What does a high creatinine level mean?

Generally, a high serum creatinine level means your kidneys aren’t working well. However, your creatinine level may temporarily increase if you’re dehydrated, have a low blood volume, eat a large amount of meat or take certain medications. So don’t panic if one test resul is abnormally high, you can take another blood test to confirm.

Normal creatine range, serum creatine test and high creatine level
Binging on meat may increase your creatine level.

General normal range of creatinine from a serum creatinine test:

Normal range of creatinine is 0.7-1.3 mg/dL for men, and 0.6-1.1 mg/dL for women. This can vary slightly from lab to lab.

The below table is the reference for each age and gender group. In translating into micromoles per liter, please time 88.4.

Normal creatine range, serum creatine test and high creatine level
Serum creatine test

Normal creatinine range for children and adolescents:

  • Newborn aged 1-4 days: 0.3-1 mg/dL (27-88 µmol/L)
  • Infants less than 2 years:  0.1-0.4 mg/d (8-35 µmol/L)
  • Children 2 years to < 6 years:  0.2-0.5 mg/dL (18-44 µmol/L)
  • Children 6 years to < 10 years: 0.3-0.6 mg/dL (27-53 µmol/L)
  • Adolescents: 10 years to < 18 years:  0.4-1.0 mg/dL (35-88 µmol/L)

Normal creatinine range for adults:

For Women

  • Women (18-60 years):  0.6-1.1 mg/dL (53-97 µmol/L)
  • Women aged 60 to 90 years: 0.6-1.2 mg/dL (53-106 µmol/L)
  • Women aged > 90 years: 0.6-1.3 mg/dL (53-115 µmol/L)

For Men

  • Adult men (18-60 years): 0.7-1.3 mg/dL (80-115 µmol/L)
  • Men aged 60 to 90 years: 0.8-1.3 mg/dL (71-115 µmol/L)
  • Men aged > 90 years:  1-1.7 mg/dL (88-150 µmol/L)

Here is another set of normal ranges, for the range from serum creatinine test often varies from lab to lab:

  • 18 years to < 41 years: Female: 0.5-1.0 mg/dL
  • 18 years to < 41 years:  Male:  0.6-1.2 mg/dL
  • 41 years to < 61 years:  Female:  0.5-1.1 mg/dL
  • 41 years to < 61 years:  Male:  0.6-1.3 mg/dL
  • 61 years and above:  Female:  0.5-1.2 mg/dL
  • 61 years and above:  Male:  0.7-1.3 mg/dL
  • Critical Values:  > 4 mg/dL (indicates serious impairment in renal function)
* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.