Mucopolysaccharidoses Type 4A/6 Total Chondroitin Sulfate and Dermatan Sulfate with NRE (Sensi-Pro®) Quantitative, Serum

3003487
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Example Reports
Abnormal
Normal

Ordering Recommendation

Aids in the diagnosis and monitoring of patients with MPS Type 4A or Type 6.

Mnemonic

MPS 4A/6 S

Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Performed

Varies

Reported

2-3 weeks

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

Serum (Serum Separator Tube (SST)).

Specimen Preparation

Transfer 500 µL serum to ARUP Standard transport Tube and freeze immediately. (Min 300 µL)

Storage/Transport Temperature

Frozen

Unacceptable Conditions
Remarks
Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 4 month (3 freeze thaw cycles are acceptable)

Reference Interval

By report

Interpretive Data

Total Chondroitin Sulfate (CS) and Dermatan Sulfate (DS), Serum is a sum of the internal disaccharides D0a0, D0a4, and D0a6.
NRE = Non Reducing End

This test was developed, and its performance characteristics determined by ARUP Laboratories.  It has not been cleared or approved by the US Food and Drug Administration.  This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
12/24/2020
X
N/A

CPT Codes

83864

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Components

Component Test Code* Component Chart Name LOINC
3003488 MPS 4A/6, Serum Interpretation 59462-2
3003492 Chondroitin and Dermatan Sulfate, Serum
3003493 a4 (MPS 6 NRE), Serum
3003494 a6 (MPS 4A NRE), Serum
3003495 a4/a6 Ratio, Serum
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • CS non reducing end assay
  • DS non reducing end assay
  • MPS 4a
  • MPS 6
  • MPS type 4a
  • MPS type 6
  • Mucopolysaccharides
  • Total Chondroitin Sulfate
  • Total Dermatan Sulfate
Mucopolysaccharidoses Type 4A/6 Total Chondroitin Sulfate and Dermatan Sulfate with NRE (Sensi-Pro(R)) Quantitative, Serum