TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: ASCU    
Arsenic/Creatinine Ratio, Urine

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

If total arsenic concentration is 10 mcg/L or greater, then speciation will be performed at an additional charge.

Specimen Type Describes the specimen type validated for testing

Urine

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

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

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

3 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
UrineRefrigerated (preferred)28 days
 Frozen 28 days
 Ambient 72 hours