Test directory: Alpha-Iduronidase Enzyme Activity

Ordering Code 7921
Test Name Alpha-Iduronidase Enzyme Activity
Alias Alpha-Iduronidase Enzyme Activity in Leukocytes
Mucosaccharidosis Type I
Hunter-Schele
Preferred Specimen Whole Blood
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Whole Blood in ACD-B (Yellow)
Optimum Volume 3 mL
Collection Instructions Submit Mucopolysaccharides (MPS) Testing Patient History
Form with specimen: https://ltd.aruplab.com/api/ltd/pdf/55
Clinical Indication for testing is required.
Transport Requirements Oahu: Ambient
Airline: Ambient
Specimen Stability Ambient: 3 Days
Refrigerated: 3 Days
Frozen: Not Stable
Rejection Criteria Grossly hemolyzed, Heparinized
Avail. Stat NO
Analytic Time 10 Days
Methodology Quantitative Fluorometry
Reference Lab  ARUP Laboratories

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Alpha-Iduronidase Activity, WBC ALL 12.0-65.0 12.0-65.0
Alpha-Iduronidase, Interpretation ALL

Units are...
Units are Nanomoles substrate hydrolyzed per hour per milligram of protein (nmoles hydrolyzed/hr/ mg protein).^
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

See report.
Note1

Note1:


Units are Nanomoles substrate hydrolyzed per hour per milligram of protein (nmoles hydrolyzed/hr/ mg protein).^
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

See report..