Test ID IMSNP Inherited Motor and Sensory Neuropathy Gene Panel, Varies
Ordering Guidance
First tier testing for a diagnosis of Charcot-Marie-Tooth disease type 1 is available; order PMPDD / PMP22 Gene, Large Deletion/Duplication Analysis, Varies.
Targeted testing for familial variants (also called site-specific or known variants testing) is available for the genes on this panel. See FMTT / Familial Mutation, Targeted Testing, Varies. To obtain more information about this testing option, call 800-533-1710.
Customization of this panel and single gene analysis for any gene present on this panel are available. For more information see CGPH / Custom Gene Panel, Hereditary, Next-Generation Sequencing, Varies.
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: 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)/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: Neurology Patient Information
3. If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.
Useful For
Establishing a molecular diagnosis for patients with hereditary motor and sensory neuropathy (HMSN) or Charcot-Marie-Tooth (CMT) disease
Identifying variants within genes known to be associated with HMSN or CMT disease, allowing for predictive testing of at-risk family members
Testing Algorithm
For more information see Hereditary Peripheral Neuropathy Diagnostic Algorithm
Special Instructions
Method Name
Sequence Capture and Targeted Next-Generation Sequencing followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing
Reporting Name
Motor and Sensory Neuropathy PanelSpecimen Type
VariesSpecimen Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Varies | Varies |
Day(s) Performed
Varies
Report Available
28 to 42 daysPerforming Laboratory

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
81448
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
IMSNP | Motor and Sensory Neuropathy Panel | 103728-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
617585 | Test Description | 62364-5 |
617586 | Specimen | 31208-2 |
617587 | Source | 31208-2 |
617588 | Result Summary | 50397-9 |
617589 | Result | 82939-0 |
617590 | Interpretation | 69047-9 |
618181 | Additional Results | In Process |
617591 | Resources | 99622-3 |
617592 | Additional Information | 48767-8 |
617593 | Method | 85069-3 |
617594 | Genes Analyzed | 48018-6 |
617595 | Disclaimer | 62364-5 |
617596 | Released By | 18771-6 |