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Alpha thalassemia HBA1-HBA2
Clinical Genetic Test
Help
offered by
MGZ Medical Genetics Center
GTR Test Accession: Help GTR000528544.1
HEMATOLOGYINHERITED DISEASEDYSMORPHOLOGY ... View more
Last updated in GTR: 2015-10-28
View version history
Last annual review date for the lab: 2024-03-13 LinkOut
At a Glance
Test purpose: Help
Diagnosis; Drug Response
Conditions (7): Help
Alpha trait thalassemia; Hemoglobin Bart hydrops syndrome; Hemoglobin H disease; ...
Genes (2): Help
HBA1 (16p13.3), HBA2 (16p13.3)
Methods (3): Help
Molecular Genetics - Deletion/duplication analysis: Multiplex Ligation-dependent Probe Amplification (MLPA); ...
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
  • View specimen requirements
Who can order: Help
  • Genetic Counselor
  • Health Care Provider
Lab contact: Help
Teresa Neuhann, MD, Lab Director
neuhann@mgz-muenchen.de
+49 8930908860
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 (no manufacturer test name)
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, Test strategy
Conditions Help
Total conditions: 7
Condition/Phenotype Identifier
Test Targets
Genes Help
Total genes: 2
Gene Associated Condition Germline or Somatic Allele (Lab-provided) Variant in NCBI
Methodology
Total methods: 3
Method Category Help
Test method Help
Instrument *
Deletion/duplication analysis
Multiplex Ligation-dependent Probe Amplification (MLPA)
Sequence analysis of the entire coding region
Bi-directional Sanger Sequence Analysis
Sequence analysis of the entire coding region
Next-Generation (NGS)/Massively parallel sequencing (MPS)
* Instrument: Not provided
Clinical Information
Test purpose: Help
Diagnosis; Drug Response
Variant Interpretation:
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?, Are family members with defined clinical status recruited to assess significance of VUS without charge?, 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
Sanger Sequencing: Sensitivity >98%; MLPA: Sensitivity >95%, specifity >95%; NGS_Our diagnostic criteria requires: (i) at least 98% of the sequencing reads have a quality score (Q) above 30 (99,9% accurate), (ii) a median per base sequence quality score (Q) above 30 (99,9% accurate), (iii) at least 98% of the region … View more
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: PolyPhen-2, SIFT, Align GVGD, MAPP, SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, Human Splicing Finder, 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
Consumer resources:

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.