Ordering Recommendation

For research use. Medical Director approval is required to order this test.

New York DOH Approval Status

This test is not New York state approved. There are no New York state-approved laboratories available. Submit a Non-Permitted Laboratory Request Form (NPL) to the NYDOH prior to collection of specimen. If NPL is approved by NYDOH, and sample is received at ARUP, testing will be performed.

Specimen Required

Patient Preparation

Cerebrospinal fluid

Specimen Preparation

Transfer 500 uL serum or plasma to ARUP Standard Transport Tube and freeze immediately. (Min: 250 uL)

Storage/Transport Temperature


Unacceptable Conditions

Ambient or Refrigerated Specimens


Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month (avoid repeated freeze/thaw cycles)


Liquid Chromatography-Tandem Mass Spectrometry




7-14 days

Reference Interval

By Report

Interpretive Data

Refer to Report

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)


Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
2007498 MPSI - Heparan Sulfate NRE, CSF
2007499 MPSI - Heparan Sulfate Total, CSF
* 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.


  • CSF Heparan Sulfate NRE and Total
  • CSF HS NRE and total assay
  • MPS I
  • MPS Type 1
Mucopolysaccharidosis Type 1, Total HS and NRE (Sensi-Pro(R)) Quantitative, Cerebrospinal Fluid