II. Indications

  1. Creatinine Clearance Calculation
  2. Measure completeness of 24 hour Urine Collection

III. Interpretation: Normal 24 Hour Creatinine Excretion

  1. Male
    1. Age 20 to 50: 18.5 to 25.0 mg/kg/day
    2. Age 50 to 70: 15.7 to 20.2 mg/kg/day
    3. Range: 0.8-1.8 grams per 24 hours
  2. Female
    1. Age 20 to 50: 16.5 to 22.4 mg/kg/day
    2. Age 50 to 70: 11.8 to 16.1 mg/kg/day
    3. Range: 0.6-1.6 grams per 24 hours

IV. Interpretation: Low Urine Creatinine

  1. Values above decrease with advancing age
  2. Low value suggests inadequately collected specimen

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Related Studies

Ontology: Creatine measurement, urine (C0428287)

Concepts Laboratory Procedure (T059)
SnomedCT 271261008, 167434004, 144659001
English Urine creatine, Urine creatine level, Urine creatine measurement, urine creatine measurement (lab test), urine creatine, urine creatine measurement, Creatine urine, urine creatine level, creatine urine, creatine levels urine, Urine creatine (& level) (procedure), Urine creatine (& level), Creatine - urine, Creatine measurement, urine, Urine creatine measurement (procedure)
Japanese 尿中クレアチン, ニョウチュウクレアチン
Czech Kreatin v moči
Italian Creatina urinaria
Hungarian Kreatin vizeletszint
Spanish determinación de nivel urinario de creatina, medición urinaria de creatina (procedimiento), medición urinaria de creatina, Creatina en orina
Portuguese Creatinúria
Dutch creatine urine
French Créatine urinaire
German Kreatin im Urin