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Laboratory Test Directory

Mucopolysaccharides (MPS) Screen, Urine, to MAYO

Components

Name Method Department Units
Mucopolysaccharides (MPS) Screen, Urine, to MAYO Quantitative Spectrophotometry
Qualitative Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
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Testing includes both quantitative MPS analysis and Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) analysis.

Specimen Requirements

Urine - Random

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 3 mL
Stability

Frozen - 12 month(s)

Specimen Preparation

  • Freeze immediately after collection.
  • Collect specimen in morning immediately after awakening.

Reasons for Rejection

  • Non frozen specimen

Comments

Testing includes both quantitative MPS analysis and Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) analysis. This is a screen for undiagnosed MPS patients. Often times this test is the follow-up to the in-house Mucopolysaccharides, Urine Spot Test. It is important for the ordering physician to be aware that there is an in-house Mucopolysaccharides (MPS) screening test. The in-house test code is MPSU, for Mucopolysaccharides, Urine Spot Test. The in-house test is typically recommended first. Please be clear when ordering if both tests are intended to be ordered and supply enough sample for both in separate containers. For the reference lab test, it is important to include the patient's age. For best results, an early morning random urine sample is preferred.

CPT Code

  • 82542
  • 83864