BCH Order Code WDZ Wilson Disease, Full Gene Analysis, Varies
Useful For
Diagnostic confirmation of Wilson disease
Testing Algorithm
See Wilson Disease Testing Algorithm in Special Instructions.
Special Instructions
Method Name
Custom Sequence Capture and Targeted Next-Generation Sequencing (NGS) followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing when appropriate
Reporting Name
Wilson Disease Full Gene AnalysisSpecimen Type
VariesShipping Instructions
Specimen preferred to arrive within 96 hours of collection.
Specimen Required
Patient Preparation: A previous bone marrow transplant from an allogenic donor will interfere with testing. Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant.
Specimen Type: Whole blood
Container/Tube:
Preferred: Lavender top (EDTA) or yellow top (ACD)
Acceptable: Any anticoagulant
Specimen Volume: 3 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send specimen in original tube.
Additional Information: To ensure minimum volume and concentration of DNA is met, the preferred volume of blood must be submitted. Testing may be canceled if DNA requirements are inadequate.
Specimen Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Varies | Ambient (preferred) | ||
Frozen | |||
Refrigerated |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Varies
Report Available
14 to 20 daysPerforming Laboratory

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 US Food and Drug Administration.CPT Code Information
81406
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
WDZ | Wilson Disease Full Gene Analysis | 95781-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
54048 | Result Summary | 50397-9 |
54049 | Result | 82939-0 |
54050 | Interpretation | 69047-9 |
54051 | Additional Information | 48767-8 |
54052 | Specimen | 31208-2 |
54053 | Source | 31208-2 |
54054 | Released By | 18771-6 |
Forms
1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available in Special Instructions:
-Informed Consent for Genetic Testing (T576)
-Informed Consent for Genetic Testing-Spanish (T826)
2. Molecular Genetics: Congenital Inherited Diseases Patient Information (T521) in Special Instructions
3. If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Client Test Request (T728) with the specimen.