GTR Test Accession:
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GTR000218591.1
Last updated in GTR: 2014-05-10
View version history
GTR000218591.1, last updated: 2014-05-10
Last annual review date for the lab: 2024-06-24
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At a Glance
Test purpose:
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Diagnosis;
Mutation Confirmation;
Screening
Conditions (11):
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Genes (1):
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HBB (11p15.4)
Methods (3):
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Molecular Genetics - Linkage analysis: RFLP; ...
Target population: Help
Not provided
Clinical validity:
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Not provided
Clinical utility:
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Not provided
Ordering Information
Offered by:
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Institute of Medical Genetics and Genomics
Test short name:
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hbb
Specimen Source:
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- Chorionic villi
- Cord blood
- Isolated DNA
- Peripheral (whole) blood
Who can order: Help
- Genetic Counselor
- Health Care Provider
- Licensed Physician
Test Order Code:
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MBETAGS
Contact Policy:
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Post-test email/phone consultation regarding genetic test results and interpretation is provided to patients/families.
Pre-test email/phone consultation regarding genetic test results and interpretation is provided to patients/families.
Pre-test email/phone consultation regarding genetic test results and interpretation is provided to patients/families.
Test additional service:
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Custom Prenatal Testing
Informed consent required:
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Yes
Pre-test genetic counseling required:
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Decline to answer
Post-test genetic counseling required:
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Decline to answer
Recommended fields not provided:
How to Order,
Lab contact for this test,
Test strategy,
Test development
Conditions
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Total conditions: 11
Condition/Phenotype | Identifier |
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Test Targets
Genes
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Total genes: 1
Gene | Associated Condition | Germline or Somatic | Allele (Lab-provided) | Variant in NCBI |
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Methodology
Total methods: 3
Method Category
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Test method
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Instrument
Linkage analysis
RFLP
Sequence analysis of the entire coding region
Bi-directional Sanger Sequence Analysis
Applied Biosystems 3730 capillary sequencing instrument
Targeted variant analysis
ARMS
Clinical Information
Test purpose:
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Diagnosis;
Mutation Confirmation;
Screening
Recommended fields not provided:
Clinical validity,
Clinical utility,
Target population,
What is the protocol for interpreting a variation as a VUS?,
Are family members with defined clinical status recruited to assess significance of VUS without charge?,
Will the lab re-contact the ordering physician if variant interpretation changes?,
Is research allowed on the sample after clinical testing is complete?,
Sample negative report,
Sample positive report
Technical Information
Test Comments:
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Mutation panel: 5 common mutations and 6 uncommon mutations within the Indian population
Sequencing of HBB gene
RFLP analysis for prenatal diagnosis
Sequencing of HBB gene
RFLP analysis for prenatal diagnosis
Availability:
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Tests performed
Entire test performed in-house
Entire test performed in-house
Analytical Validity:
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The accuracy of the test is 98%
Proficiency testing (PT):
Is proficiency testing performed for this test?
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No
No
Recommended fields not provided:
Test Confirmation,
Assay limitations,
Description of internal test validation method,
Citations for Analytical validity,
PT Provider,
Description of PT method,
Major CAP category, CAP category, CAP test list
Regulatory Approval
FDA Review:
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Not provided
Additional Information
Clinical resources:
Molecular resources:
Practice guidelines:
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.