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Cancerag50serplacnc

Published: August 9, 2026Updated: August 17, 2026
Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
34256-8
Short code
CA50
Synonyms
Cancer Ag50 SerPl-aCnc
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) or red-top vacutainer tube
Units
N/A
Ref low
0
Ref high
30
Critical range
0.5 N/A – 100 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–99 years
Method
Immunoradiometric assay (IRMA) or chemiluminescent immunoassay (CLIA)
CPT
86316
SNOMED
71693007
Specimen volume
1.0-2.0 mL of serum
Stability
Stable for 24 hours at room temperature (20-25°C), 7 days refrigerated at 2-8°C, and up to 3 months frozen at -20°C or below. Avoid repeated freeze-thaw cycles.
Hemolysis max
100
Lipemia max
100
Icterus max
50
TAT
24–72 hours
Order
routine

Reference range

Normal: < 30 U/mL; Values above 30 U/mL may suggest malignancy and warrant further clinical investigationN/A

Specimen: serum

No special preparation required. Fasting is not necessary. Patient should be informed about the test purpose and clinical significance of results.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 17, 2026. · Read our editorial policy