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Laboratory Test Directory

Lysosomal MPS Screen

Components

Name Method Department Units
Lysosomal MPS Screen Enzymatic assay
Send Out

Battery Members

GM1 gangliosidoses (MPS IVB), Mucopolysaccharidosis I

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Green tube (Sodium heparin), No Gel

6 mL 6 mL
Alternate

Green tube (Lithium heparin), No Gel

6 mL 6 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 6 mL
Alternate

Purple tube (EDTA)

6 mL 6 mL
Stability

Room temperature - 24 hour(s)

Specimen Preparation

  • Mix heparin tube by gentle inversion immediately after collection
  • Keep at room temperature
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Collected in tube with gel separator
  • Wrong collection tube
  • Refrigerated specimen
  • Centrifuged specimen
  • Not received within specified time frame
  • Specimen received on wrong day of week.

Comments

Collect sample Monday-Thursday ONLY. It is best to have the sample in the Sendout lab no later than 6 pm on the day of the draw. The testing lab requests the samples be received at their facility within 24 hours of collection. Sample volume less than 2 mL will not be accepted. Testing will not be performed if Clinical History Form is not submitted (see "Links" below).

CPT Code

  • 82657