Skip to content

Cancaseracnc

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

Key facts at a glance

LOINC
8084-6
Short code
ANCAC
Synonyms
c-ANCA Ser-aCnc
Category
chemistry
Sample
serum
Container
Serum separator tube (SST), red-top tube, or tiger-top tube
Units
N/A
Ref low
0
Ref high
1
Critical range
0.5 N/A – —
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Indirect Immunofluorescence Assay (IFA)
CPT
86256
SNOMED
168560004
Specimen volume
1-2 mL of serum (minimum 0.5 mL)
Stability
Room temperature: 8 hours. Refrigerated (2-8°C): 7 days. Frozen (-20°C or below): 30 days. Avoid repeated freeze-thaw cycles.
Hemolysis max
100
Lipemia max
100
Icterus max
50
TAT
24–72 hours
Order
routine

Reference range

Negative: <1:20 titer (Normal). Positive results are reported with a titer (e.g., 1:20, 1:40, 1:80, 1:160, or higher) and pattern designation (cytoplasmic C-ANCA or perinuclear P-ANCA).N/A

Specimen: serum

No fasting required. Patients should inform their healthcare provider about any medications, particularly immunosuppressants, as they may affect antibody titers.

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