Test ID ASCU Arsenic/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of profile. For more information see:
-ASUCR / Arsenic/Creatinine Ratio, with Reflex, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
Useful For
Screening for arsenic exposure using random urine specimens
Testing Algorithm
If total arsenic concentration is 10 mcg/L or greater, then speciation will be performed at an additional charge.
Method Name
Only orderable as part of profile. For more information see:
-ASUCR / Arsenic/Creatinine Ratio, with Reflex, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
Triple-Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)
Reporting Name
Arsenic/Creatinine Ratio, USpecimen Type
UrineSpecimen Minimum Volume
3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 28 days | |
Frozen | 28 days | ||
Ambient | 72 hours |
Reference Values
Only orderable as part of profile. For more information see:
-ASUCR / Arsenic/Creatinine Ratio, with Reflex, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
0-17 years: Not established
≥18 years: <24 mcg/g creatinine
Performing Laboratory
Mayo Clinic Laboratories in RochesterTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ASCU | Arsenic/Creatinine Ratio, U | 13463-5 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
608900 | Arsenic/Creatinine Ratio, U | 13463-5 |
608901 | Total Arsenic Concentration | 5586-3 |
Day(s) Performed
Monday through Friday
Report Available
2 to 4 daysCPT Code Information
82175