Oxalate, Random, Urine

Alphabetical Test listing

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Hyperoxaluria

Useful for:

Patient preparation information:

Avoid taking large doses (>2 g orally/24 hours) of vitamin C prior to specimen collection.

Specimen type:

Urine, random

Collection container:

Volume:

10 mL

Minimum volume:

7 mL

Collection instructions:

Transfer 10 mL of well mixed urine sample to a Urine aliquot transport vial/tube - 10mL (AHL)

Transport container:

Required forms/information:

Refrigerated (preferred) - 14 days

Ambient - 72 hours

Frozen - 14 days

Performing lab:

Mayo Clinic Laboratories (ROXUR); R-NX

Days set up:

Mo - Sa

TAT:

3 - 5 days

Method:

OXCO1: Enzymatic Using Oxalate Oxidase|CRETR: Enzymatic Colorimetric Assay|OXCO3, RAT11: Calculation

Reference ranges:

No established reference values

CPT codes:

83945
82570

Date created:

07/16/2025

Review date:

07/16/2025