Ordering Recommendation

Use to MONITOR glycosaminoglycans (GAGs) in patients previously diagnosed with a mucopolysaccharidosis (MPS). Approval by an ARUP genetic counselor or medical director required BEFORE ordering this test. To screen for MPS, refer to Mucopolysaccharides Screen - Electrophoresis & Quantitation, Urine ({~lnk:0081352}).

Mnemonic
MPS QNT
Methodology

Spectrophotometry

Performed

Tue

Reported

3-9 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Morning void is preferred.

Collect

Urine.

Specimen Preparation

Transfer 10 mL urine to ARUP Standard Transport Tubes and freeze immediately. (Min: 5 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Contaminated specimens. Specimens containing preservatives.

Remarks
Stability

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

Reference Interval

0-5 months: 14.6-47.8 mg/mmol creatinine
6-11 months: 3.7-35.5 mg/mmol creatinine
1-2 years: 5.4-30.8 mg/mmol creatinine
3-6 years: 5.2-16.7 mg/mmol creatinine
7-13 years: 2.4-10.2 mg/mmol creatinine
14 years or older: 0.0-7.1 mg/mmol creatinine

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

83864

Components
Component Test Code* Component Chart Name LOINC
0081355 Mucopolysaccharides mg/mmol CRT 46132-7
* 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
  • Chondroitin Sulfate
  • Dermatan Sulfate
  • GAG(s)
  • Glycosaminoglycans
  • Heparan Sulfate
  • Urine glycosaminoglycans
Mucopolysaccharides, Quantitative, Urine