Biomarkers · Chemical
XSense Fragile X with Reflex
- Also listed as
- XSense<sup>®</sup>, Fragile X with Reflex, XSense®, Fragile X with Reflex
- LOINC codes
- 21759-6
- Tests that measure XSense Fragile X with Reflex
- Quest Diagnostics 2
Tests
Check the catalog code, specimen, method and preparation for every test that measures XSense Fragile X with Reflex. Select up to five tests to compare them side by side.
Quest Diagnostics 2 tests
Single-analyte tests
XSense®, Fragile X with Reflex 16313
Blood · Fasting not stated
Quest Diagnostics catalog pageMethod and collection
- Method
- Polymerase Chain Reaction (PCR) with Detection by Capillary Electrophoresis
- Collection
- Whole blood: Normal phlebotomy procedure. Specimen stability is crucial. Store and ship room temperature immediately. Do not freeze.
- Reference notes
- See Laboratory Report
XSense®, Fragile X with Reflex and Chromosome Analysis, Blood 16326
Blood · Fasting not stated
Quest Diagnostics catalog pageMethod and collection
- Method
- Polymerase Chain Reaction (PCR) with Detection by Capillary Electrophoresis • Culture • Microscopy • Karyotype Reflex: Methylation PCR
- Collection
- Collect whole blood in sodium heparin (green-top) tube and EDTA (lavender-top) tube. Do not freeze whole blood. Do not transfer whole blood to M4. Do not refrigerate or freeze. See Genetics Specimen Collection Section for detailed specimen instructions.
- Reference notes
- See Laboratory Report
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Quest Diagnostics test catalog
2 tests: codes, specimens, methods, preparation and reference intervals.
LOINC 21759-6
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for XSense Fragile X with Reflex
Registered studies that measure XSense Fragile X with Reflex, on the U.S. National Library of Medicine registry.
Verify these ranges and sources
We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.
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