Iduronosulfatase
| Abbrev Code: | XMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Synonyms: | Hunter Syndrome; MPS Type II; Mucopolysaccharoidosis II | ||
| Methodology: | Radioisotope method, using tritiated disaccharide | ||
| CPT Codes: | 82658 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Thur if received by 1300; results are reported within 10-12 days. | ||
| Special Instructions: | Include clinical history. | ||
Collection Instructions
| Specimen: | Whole blood and urine |
| Optimal Volume: | 8 mL blood and 5 mL urine |
| Minimum\Peds Volume: | 3 mL blood and 5 mL urine |
| Container: | Green (sodium heparin, no gel), Plastic leakproof container, sterile |
| Collection Instructions: | Send both whole blood and urine sample. |
| Causes for Rejection: | Gross hemolysis |
Processing and Shipping
| Specimen Processing: | Do not process. Store in refrigerator. |
| Shipping Instructions: | Sample must be shipped overnight on wet ice. Use ice cubes packed in plastic bags to prevent dripping. Do not use freeze packs (jelly packs). Send specimen to: Univeristy of Illinois at Chicago Biochemical Genetics Laboratory 850 So. Wood Street, Room 131N, CSB Chicago, IL 60612 (313) 996-5694 |
| Stability: | 24 hours at room temperture; 7 days refrigerated |
| Test Performed at or Referral Lab | Lab Sendouts (University of Illinois at Chicago (UIC)) |
Interpretive
| Reference Range: | 17-31 units/mg protein/hour. Report will indicate interpretation of results. |
| Use: | Diagnose Hunter syndrome and multiple sulfatase deficiency. |
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