Ceaprtmcnc

Published: August 9, 2026Updated: August 16, 2026

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC: 40622-3
Short code: CEA-PF
Synonyms: CEA Prt-mCnc
Category: chemistry
Sample: serum
Container: Sterile, leak-proof container (e.g., red-top or clot activator tube for fluid transfer); sterile collection vessel for paracentesis
Units: N/A
Ref low: 0
Ref high: 5
Fasting: false
Population: adult
Sex: all
Age range: 18–65 years
Method: Immunoassay (e.g., Chemiluminescent Immunoassay [CLIA], Enzyme-Linked Immunosorbent Assay [ELISA])
CPT: 82378
SNOMED: 103320005
Specimen volume: 5-10 mL of peritoneal fluid (minimum 2 mL)
Stability: Refrigerated at 2-8°C: 7 days; Frozen at -20°C or below: 3 months for longer storage. Avoid repeated freeze-thaw cycles.
Hemolysis max: 500
Lipemia max: 1000
Icterus max: 500
TAT: 24–72 hours
Order: routine

Reference range

Non-smokers: <2.5 ng/mL; Smokers: <5.0 ng/mLN/A

Specimen: serum

No special patient preparation required. Specimen collection is typically performed via paracentesis under sterile conditions by a qualified healthcare provider.

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 16, 2026. · Read our editorial policy