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Test Code 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 Variant, 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. For instructions for testing patients who have received a bone marrow transplant, call 800-533-1710.

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

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.


Genetics Test Information

This test utilizes-next generation sequencing to detect single nucleotide and copy number variants in 87 genes associated with hereditary motor and sensory neuropathy: AARS1, ABCD1, AIFM1, ARSA, ATP1A1, ATP7A, BAG3, BSCL2, C1orf194, CHCHD10, CNTNAP1, COX10, COX6A1, CTDP1, DGAT2, DHH, DNM2, DYNC1H1, EGR2, ERCC8, FAM126A, FBLN5, FGD4, FIG4, FMR1, GALC, GAN, GARS1, GBF1, GDAP1, GJB1, GLA, GNB4, HARS1, HINT1, HK1, HSPB1, HSPB8, IGHMBP2, INF2, KARS1, LAMA2, LITAF, LMNA, LRSAM1, MARS1, MCM3AP, MFN2, MORC2, MPV17, MPZ, MTMR2, NDRG1, NEFH, NEFL, PEX7, PHYH, PLEKHG5, PLP1, PMP2, PMP22, PNKP, POLG, PRPS1, PRX, RAB7A, SACS, SBF1, SBF2, SCO2, SH3TC2, SLC12A6, SLC25A46, SORD, SOX10, SURF1, TDP1, TFG, TRIM2, TRPV4, TSFM, TTR, TUBB3, TWNK, TYMP, VPS13D, and YARS1. For more information see Method Description and Targeted Genes and Methodology Details for Inherited Motor and Sensory Neuropathy Gene Panel.

 

Identification of a disease-causing variant may assist with diagnosis, prognosis, clinical management, recurrence risk assessment, familial screening, and genetic counseling for hereditary motor and sensory neuropathy.

Specimen Type

Varies

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Day(s) Performed

Varies

Report Available

21 to 28 days

Specimen Retention Time

Whole blood: 2 weeks (if available); Extracted DNA: 3 months

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81448