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X-inactivation

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Determination of X-inactivation ratios.

EQA INFORMATION

EQA Code
GXI
Submission
Clinical Report
Techniques
N/A
Eligibility
Any laboratory worldwide
Language
English, French, German, Italian, Polish, Portuguese, Spanish
EQA Accreditation
EQA accredited to ISO 17043:2023
EQA open

09 June 2025

Testing period
7 weeks

OTHER INFORMATION

What are participants required to do?
  • Enrolled participants will receive details by email when an EQA is open for assessment and/or samples have been dispatched.  
  • Participants are expected to access the instructions and information for the cases/samples online and to analyse them according to their laboratory/centre protocols. 
  • Participants must submit their anonymised results by the deadline using their standard laboratory report or a proforma provided by GenQA.  In addition, participants may be asked to separately submit their X-inactivation ratios for data collection purposes only. The submitted results are independently assessed for the accuracy of the analytical/genotyping results, clinical interpretation of the results (if appropriate) and clerical accuracy (including report layout and content). 

What can I expect as a participant?

Every participant will receive:
  • An Individual Laboratory/Centre Report (ILR/ICR) with educational advice for each distribution of this EQA.
  • The Summary report for each distribution of this EQA which contains information regarding general findings, a summary of methodologies used, common errors, number of participants and benchmarking. 
  • Access to a live Performance Certificate summarising your performance status for all EQAs in which you are enrolled.

Please note: EQA details may be subject to change prior to EQA distribution.   

PRODUCTS

Sample type: DNA in TE buffer
Testing/analysis:
Determination of X-inactivation ratios.
Conditions/Gene target(s):
X-linked genes.
Number of cases: Two

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X-inactivation

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