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Test Code VHLZZ Von Hippel Lindau Syndrome, VHL, Full Gene Analysis, Varies


Ordering Guidance


For patients suspected of having hereditary erythrocytosis or polycythemia, order HEMP / Hereditary Erythrocytosis Mutations, Whole Blood.

 

For a comprehensive hereditary cancer panel that includes the VHL gene, consider one of the following tests:

-ENDCP / Hereditary Endocrine Cancer Panel, Varies

-HPGLP / Hereditary Paraganglioma/Pheochromocytoma Panel, Varies

-RENCP / Hereditary Renal Cancer Panel, Varies

 

Testing for VHL gene as part of a customized panel is available. For more information see CGPH / Custom Gene Panel, Hereditary, Next-Generation Sequencing, Varies.

 

Targeted testing for familial variants (also called site-specific or known mutations testing) is available for this gene. For more information see FMTT / Familial Variant, Targeted Testing, Varies. To obtain more information about this testing option, call 800-533-1710.



Shipping 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 whole blood specimen in original tube. Do not aliquot.

Specimen Stability Information: Ambient (preferred) 4 days/Refrigerated


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:

-Informed Consent for Genetic Testing  (T576)

-Informed Consent for Genetic Testing (Spanish) (T826)

2. Molecular Genetics: Inherited Cancer Syndromes Patient Information Sheet (T519)

3. If not ordering electronically, complete, print, and send a Oncology Test Request (T729) with the specimen.

Useful For

Evaluating patients with a personal or family history suggestive of Von Hippel-Lindau (VHL) syndrome

 

Establishing a diagnosis of a VHL allowing for targeted cancer surveillance based on associated risks

 

Identifying genetic variants associated with increased risk for VHL syndrome allowing for predictive testing of at-risk family members

Method Name

Sequence Capture and Targeted Next-Generation Sequencing (NGS) followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing

Reporting Name

VHL Full Gene Analysis

Specimen Type

Varies

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reference Values

An interpretive report will be provided.

Day(s) Performed

Varies

Report Available

21 to 28 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

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

CPT Code Information

81404

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VHLZZ VHL Full Gene Analysis 82533-1

 

Result ID Test Result Name Result LOINC Value
614875 Test Description 62364-5
614876 Specimen 31208-2
614877 Source 31208-2
614878 Result Summary 50397-9
614879 Result 82939-0
614880 Interpretation 69047-9
614881 Resources 99622-3
614882 Additional Information 48767-8
614883 Method 85069-3
614884 Genes Analyzed 48018-6
614885 Disclaimer 62364-5
614886 Released By 18771-6