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FAM134B
Clinical Genetic Test
Help
offered by
MGZ Medical Genetics Center
GTR Test Accession: Help GTR000509254.1
INHERITED DISEASENERVOUS SYSTEM
Registered in GTR: 2014-01-03
View version history
Last annual review date for the lab: 2024-03-13 LinkOut
At a Glance
Test purpose: Help
Diagnosis
Conditions (2): Help
Hereditary sensory and autonomic neuropathy type 2; Neuropathy, hereditary sensory and autonomic, type 2B
Genes (1): Help
RETREG1 (5p15.1)
Methods (1): Help
Molecular Genetics - Sequence analysis of the entire coding region: Bi-directional Sanger Sequence Analysis
Target population: Help
Not provided
Clinical validity: Help
Not provided
Clinical utility: Help
Not provided
Ordering Information
Offered by: Help
MGZ Medical Genetics Center
View lab's website
Specimen Source: Help
  • Amniotic fluid
  • Buccal swab
  • Cell culture
  • Chorionic villi
  • Cord blood
  • Dried blood spot (DBS) card
  • Fetal blood
  • Fibroblasts
  • Fresh tissue
  • Frozen tissue
  • Paraffin block
  • Peripheral (whole) blood
  • Product of conception (POC)
  • Urine
Who can order: Help
  • Genetic Counselor
  • Health Care Provider
Contact Policy: Help
Laboratory can only accept contact from health care providers. Patients/families are encouraged to discuss genetic testing options with their health care provider.
How to Order: Help
Order URL
Test service: Help
Clinical Testing/Confirmation of Mutations Identified Previously
Genetic counseling
Identity Testing
Preimplantation Genetic Diagnosis (PGD)
Result interpretation
Uniparental Disomy (UPD) Testing
X-Chromosome Inactivation Studies
Test development: Help
Test developed by laboratory but exempt from FDA oversight (eg. NYS CLEP approved, offered within a hospital or clinic)
Informed consent required: Help
Decline to answer
Pre-test genetic counseling required: Help
Decline to answer
Post-test genetic counseling required: Help
Decline to answer
Recommended fields not provided:
Test Order Code, Lab contact for this test, Test strategy
Conditions Help
Total conditions: 2
Condition/Phenotype Identifier
Test Targets
Genes Help
Total genes: 1
Gene Associated Condition Germline or Somatic Allele (Lab-provided) Variant in NCBI
Methodology
Total methods: 1
Method Category Help
Test method Help
Instrument *
Sequence analysis of the entire coding region
Bi-directional Sanger Sequence Analysis
* Instrument: Not provided
Clinical Information
Test purpose: Help
Diagnosis
Variant Interpretation:
Are family members with defined clinical status recruited to assess significance of VUS without charge? Help
Decline to answer.

Will the lab re-contact the ordering physician if variant interpretation changes? Help
Yes.
Recommended fields not provided:
Clinical validity, Clinical utility, Target population, What is the protocol for interpreting a variation as a VUS?, Is research allowed on the sample after clinical testing is complete?, Sample negative report, Sample positive report
Technical Information
Availability: Help
Tests performed
Entire test performed in-house
Analytical Validity: Help
Sensitivity >98%, specifity >99%
Proficiency testing (PT):
Is proficiency testing performed for this test? Help
Yes

Method used for proficiency testing: Help
Formal PT program

PT Provider: Help
European Molecular Genetics Quality Network, EMQN
VUS:
Software used to interpret novel variations Help
Alamut, MutationTaster
Recommended fields not provided:
Test Confirmation, Assay limitations, Description of internal test validation method, Citations for Analytical validity, Description of PT method, Major CAP category, CAP category, CAP test list
Regulatory Approval
FDA Review: Help
Category: FDA exercises enforcement discretion
Additional Information

IMPORTANT NOTE: NIH does not independently verify information submitted to GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.