Magnesium/Creatinine Ratio, Urine




Test Mnemonic

UMGCRR

CPT Codes

  • 83735 - QTY ()
  • 82570 - QTY ()

Includes

  • Magnesium Random, Urine
  • Creatinine Random, Urine

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
10 mLUrine, randomUrineAmbient or Refrigerated  

Stability

Environmental Condition Description
Ambient7 days
Refrigerated7 days
Frozen2 weeks

Days Performed

Sun - Sat

Turnaround Time

1 - 2 days

Methodology

Name Description
Colorimetric Endpoint 
Enzymatic 

Reference Range

Creatinine, Urine
Sex Age From Age To Type Range Range Unit
   Years99 YearsNormal20 - 300mg/dL
Magnesium/Creatinine Ratio, Urine
Sex Age From Age To Type Range Range Unit
 18 Years999 YearsNormal0.02-0.10mg/mg
 30 Days365 DaysNormal0.10-0.48mg/mg
 12 Months24 MonthsNormal0.09-0.37mg/mg
 24 Months36 MonthsNormal0.07-0.34mg/mg
 3 Years4 YearsNormal0.07-0.29mg/mg
 5 Years6 YearsNormal0.06-0.21mg/mg
 7 Years9 YearsNormal0.05-0.18mg/mg
 10 Years13 YearsNormal0.05-0.15mg/mg
 14 Years17 YearsNormal0.05-0.13mg/mg

Special Info

Separate specimens must be submitted when multiple tests are ordered.