Mucopolysaccaride, Urine (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
Test ordering requirements
Forms required
- Miscellaneous Specimen Requisition Form #101878 or SHR Laboratory Medicine Community Laboratory Requisition Form #101064 or Acute Care Phlebotomy Requisition Form #101062
Alias
- GAGS
- Urine GAGS
- Glycosaminoglycan
- Uronic acid
- MPS
Specimen Information
Specimen types accepted
- Random urine (concentrated morning specimen preferred)
Specimen collection container
- Preferred collection container: Sterile Wide Mouthed Screw Cap Container(Pink top)
Required volume
- Optimal volume: 10 mL urine
- Minimum/Pediatric volume: 2 mL urine
Transport and stability
- Send to SPH on an ice pack
- Freeze immediately upon receipt in the lab
- Ship frozen to referral laboratory
Rejection criteria
- If specimen thaws it is unsuitable for analysis.
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Relevant clinical history
- Family History
- Must include diagnosis and/or patient symptoms on the requisition.
Clinical interpretation
- Result interpretation should be correlated with clinical and other laboratory findings.
Performance
Methodology
- DMB-Colorimetric
Days/times performed
Availability |
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Testing site |
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Maximum laboratory time
- 8 week turnaround time by referral laboratory
Other information
Additional information
- Screening test for Hurler, Scheie, Hunter, Sanfilippo, Maroteux-Lamy, Morquio and B-glucoronidase defiency.
- Possible false negative results may be found in some MPS disorders (Sanfilippo and Morquio)
Last Updated: October 3, 2024