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Test ID I2SW Iduronate-2-sulfatase, Whole Blood

Useful For

Diagnosis of mucopolysaccharidosis II (MPS II, Hunter syndrome) in whole blood specimens

Method Name

Fluorometric Enzyme Assay

Reporting Name

Iduronate-2-sulfatase, B

Specimen Type

Whole blood

Specimen Required

Collection Container/Tube:

Preferred: Lavender top (EDTA)

Acceptable: Yellow top (ACD)

Specimen Volume: 2 mL


Necessary Information:

Provide a reason for referral with each specimen.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Ambient (preferred) 7 days
  Refrigerated  7 days

Reference Values

≥1.5 nmol/h/mL

Day(s) and Time(s) Performed

Wednesday, morning

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

82657

LOINC Code Information

Test ID Test Order Name Order LOINC Value
I2SW Iduronate-2-sulfatase, B In Process

 

Result ID Test Result Name Result LOINC Value
61902 Iduronate-2-sulfatase, B In Process
35211 Reviewed By No LOINC Needed
35212 Interpretation (I2SW) 59462-2

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Forms

1. New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.

2. Biochemical Genetics Patient Information (T602) in Special Instructions.