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 (0081352).
Mnemonic
Methodology
Spectrophotometry
Performed
Tue
Reported
3-9 days
New York DOH Approval Status
Specimen Required
Morning void is preferred.
Urine.
Transfer 10 mL urine to ARUP Standard Transport Tubes and freeze immediately. (Min: 5 mL)
Frozen.
Contaminated specimens. Specimens containing preservatives.
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
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.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
83864
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0081355 | Mucopolysaccharides mg/mmol CRT | 46132-7 |
Aliases
- Chondroitin Sulfate
- Dermatan Sulfate
- GAG(s)
- Glycosaminoglycans
- Heparan Sulfate
- Urine glycosaminoglycans