Update Type: Test Methodology Changed
Test Updated: 01/11/2022
Test Overview
Test Methodology
Dynamic Reaction Cell-Inductively Coupled-Mass Spectrometry
Test Usage
Detecting toxic manganese exposure
Reference Range *
> or =16 years: 0.1-1.3 mcg/g creatinine. Reference values have not been established for patients that are <16 years of age.
Test Limitations
Contamination of urine is possible because the usual daily excretion rate is low and manganese-containing dust is common.
Test Details
Days Set Up
Tuesday, Friday
Analytic Time
2 - 12 days
Soft Order Code
MNRCU
MiChart Code
Manganese Creatinine Ratio, Random Urine
Synonyms
- MN-RU
- Manganese, Random Urine
Laboratory
Sendout
Reference Laboratory
Mayo MNRCU
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect urine in a clean, plastic container with no metal cap or glued insert and no preservative. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.
Contraindications
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Normal Volume
2 mL urine
Minimum Volume
0.8 mL urine
Additional Information
Test sent to Mayo Medical Laboratories.
Billing
CPT Code
83785
Fee Code
AA178
NY State Approved
No