Cell-based; KRAS Mutation

LOINC codes: 21698-6, 21702-6, 21719-0, 31208-2
Tests that measure Cell-based; KRAS Mutation: Quest Diagnostics 1

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, RAS Mutation Analysis, Cell-based 16128

Population	Interval
HRAS Mutation, Cell-based	Not detected
KRAS Mutation, Cell-based	Not detected
NRAS Mutation, Cell-based	Not detected

Quest Diagnostics test catalog, 16128

Tests

Check the catalog code, specimen, method and preparation for every test that measures Cell-based; KRAS Mutation. Select up to five tests to compare them side by side.

Quest Diagnostics 1 test

Panels that include this biomarker

RAS Mutation Analysis, Cell-based 16128
4 analytes · 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.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 21698-6, 21702-6, 21719-0, 31208-2
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Cell-based; KRAS Mutation
Registered studies that measure Cell-based; KRAS Mutation, 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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