PIK3CA Mutation Analysis

Also listed as: na, plasma sodium, serum sodium
LOINC codes: 60034-6, 21702-6, 21719-0, 31208-2, 53844-7
Tests that measure PIK3CA Mutation Analysis: Quest Diagnostics 2

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Colorectal Cancer Mutation Panel (KRAS, PIK3CA, BRAF, NRAS) 18902

Population	Interval
KRAS Mutation Analysis	Not detected
PIK3CA Mutation Analysis	Not detected
BRAF Mutation Analysis	Not detected
NRAS Mutation Analysis	Not detected

Quest Diagnostics test catalog, 18902

Tests

Check the catalog code, specimen, method and preparation for every test that measures PIK3CA Mutation Analysis. Select up to five tests to compare them side by side.

Quest Diagnostics 2 tests

Single-analyte tests

PIK3CA Mutation Analysis 16897
Tissue · Fasting not stated · Turnaround Set up: Mon
Method and collection
Method
Next Generation Sequencing
Collection
Paraffin block is the preferred sample type. Sample source and block ID are required on the requisition form and a pathology report must be submitted. Whole blood (acceptable): Follow standard whole blood collections procedures. Collect 3-5 mL whole blood in an EDTA tube. Record sample type, collection time, and date on both tube and requisition form. Bone marrow (acceptable) collection: The notation of sample type, collection time, and date on the tube and requisition form is required. Ship sample refrigerated or room temperature. Ship immediately to maintain stability. Do not reject specimens. Send to laboratory for screening.
Reference notes
Not detected
Quest Diagnostics catalog page

Panels that include this biomarker

Colorectal Cancer Mutation Panel (KRAS, PIK3CA, BRAF, NRAS) 18902
4 analytes · Tissue · Fasting not stated
Method and collection
Method
Next Generation Sequencing
Collection
For submission of paraffin block, tissue source and block ID are required on the test requisition. A pathology report must be submitted. Shipping samples refrigerated acceptable. Shipping frozen unacceptable. Do not reject specimens. Send to Laboratory for screening.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
2 tests: codes, specimens, methods, preparation and reference intervals.
LOINC 60034-6, 21702-6, 21719-0, 31208-2, 53844-7
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for PIK3CA Mutation Analysis
Registered studies that measure PIK3CA Mutation Analysis, 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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