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Fya/Fyb Genotyping
Clinical Genetic Test
Help
offered by
Versiti Diagnostic Laboratories
View lab's test page
LinkOut
GTR Test Accession: Help GTR000521865.8
CAP
INHERITED DISEASE
Last updated in GTR: 2022-10-25
View version history
Last annual review date for the lab: 2023-06-08 LinkOut
At a Glance
Test purpose: Help
Monitoring; Risk Assessment; Diagnosis
Conditions (1): Help
Duffy Blood group system
Genes (1): Help
ACKR1 (1q23.2)
Methods (2): Help
Molecular Genetics - Targeted variant analysis: Allele-specific primer extension (ASPE); PCR with allele specific hybridization
Target population: Help
Expectant women with an identified anti Fya or Fyb antibody …
Clinical validity: Help
Not provided
Clinical utility: Help
Avoidance of invasive testing
Ordering Information
Offered by: Help
Versiti Diagnostic Laboratories
View lab's website
View lab's test page
Specimen Source: Help
Who can order: Help
  • Nurse Practitioner
  • Licensed Physician
  • Health Care Provider
  • Genetic Counselor
Test Order Code: Help
3860
View other test codes
CPT codes: Help
**AMA CPT codes notice

Copyright: 2023 American Medical Association. All rights reserved.

Lab contact: Help
Michael Janasik, MS, BS, MBA, Marketing Director
mcjanasik@versiti.org
414-937-6290
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
Result interpretation
Genetic counseling
Clinical Testing/Confirmation of Mutations Identified Previously
    OrderCode: 4405
Test development: Help
Test developed by laboratory (no manufacturer test name)
Informed consent required: Help
Based on applicable state law
Pre-test genetic counseling required: Help
Decline to answer
Post-test genetic counseling required: Help
Decline to answer
Recommended fields not provided:
Test strategy
Conditions Help
Total conditions: 1
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: 2
Method Category Help
Test method Help
Instrument
Targeted variant analysis
Allele-specific primer extension (ASPE)
Other
Targeted variant analysis
PCR with allele specific hybridization
Clinical Information
Test purpose: Help
Monitoring; Risk Assessment; Diagnosis
Clinical utility: Help
Avoidance of invasive testing
View citations (1)

Target population: Help
Expectant women with an identified anti Fya or Fyb antibody in their serum
Recommended fields not provided:
Clinical validity, 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
Test Comments: Help
Hemolytic disease of the fetus and newborn (HDFN) results from sensitization of the mother’s immune system to foreign antigens present on the red cells of the fetus. Many red cell antigen systems have been associated with HDFN when incompatibilities exist between the mother and fetus. When a pregnant woman presents … View more
Availability: Help
Tests performed
Entire test performed in-house
Analytical Validity: Help
Analytical sensitivity is >99% for mutations within the coding sequence and intron/exon borders.
Assay limitations: Help
Mutations that are outside the regions sequenced will not be detected. Rare variant alleles may not be identified by these assays. Testing parental samples by phenotyping and genotyping is recommended in order to identify discrepancies that may lead to false-negative and false-positive results.
Proficiency testing (PT):
Is proficiency testing performed for this test? Help
Yes

Method used for proficiency testing: Help
Formal PT program

PT Provider: Help
American College of Medical Genetics / College of American Pathologists, ACMG/CAP
Recommended fields not provided:
Test Confirmation, Citations to support 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
NYS CLEP Approval: Help
Number:
Status: Pending
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.