Posted Date
Effective Date
Update Type Test Methodology Changed
CPT Code 83785
Order Code MNRCU



Manganese, Urine, Random

Order Code:                              MNCRU

Fee Code:                                 AA178

Reference Laboratory:               Mayo MNCRU


New Order Code:                      MNRCU

New Reference Laboratory:       Mayo MNRCU


Mayo Clinic Laboratories Manganese/Creatinine Ratio, Random, Urine by Triple-Quadrupole Inductively Coupled Plasma-Mass Spectrometry (test ID MNRCU) will replace Manganese/Creatinine Ratio, Random, Urine by Dynamic Reaction Cell-Inductively Coupled-Mass Spectrometry (test ID MNCRU) effective January 20, 2022. 


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. Aliquot 3 mL (minimum 0.8 mL) into a urine transport tube and refrigerate.


Reference Range: age 0-17 years: not established; age >or= 18 years: <4.0 mcg/g creatinine.


There will be no changes to fee code, CPT code, or pricing.