Biomarkers · Chemical
CA 19-9
A CA 19-9 test measures the amount of a protein called CA 19-9 (cancer antigen 19-9) in a sample of your blood. CA 19-9 is a type of tumor marker.
CA 19-9 Blood Test (Pancreatic Cancer), MedlinePlus, National Library of Medicine
- Also listed as
- serum calcium, total calcium, ca
- Primary unit
- U/mL
- LOINC codes
- 24108-3
- Tests that measure CA 19-9
- Labcorp 2, Quest Diagnostics 1
Tests
Check the catalog code, specimen, method and preparation for every test that measures CA 19-9. Select up to five tests to compare them side by side.
Labcorp 2 tests
Single-analyte tests
Carbohydrate Antigen (CA) 19-9 002261
Serum · Fasting not stated · Turnaround Within 1 day
Labcorp catalog pageMethod and collection
- Method
- Electrochemiluminescence immunoassay (ECLIA)
- Collection
- If a red-top tube is used, transfer separated serum to a plastic transport tube.
- Reference notes
- 0−35 units/mL
Carbohydrate Antigen (CA) 19-9 (Serial Monitor) 480053
Serum · Fasting not stated · Turnaround Within 1 day
Labcorp catalog pageMethod and collection
- Collection
- If a red-top tube is used, transfer separated serum to a plastic transport tube.
Quest Diagnostics 1 test
Single-analyte tests
CA 19-9 4698
Serum · Fasting not stated · Turnaround Set up: Tues-Sat (Night shift); Report available: 5 days
Quest Diagnostics catalog pageMethod and collection
- Method
- Immunoassay (IA)
- Reference notes
- <34 U/mL This test was performed using the Siemens chemiluminescent method. Values obtained from different assay methods cannot be used interchangeably. CA 19-9 levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease.
0 of 5 tests selected
Pick one moreSources
2 tests: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
MedlinePlus, National Library of Medicine
The description at the top of this page.
LOINC 24108-3
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for CA 19-9
Registered studies that measure CA 19-9, 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.
Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.
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