Carprcypc1igg4mcnc
Key facts at a glance
- LOINC
- 99435-0
- Short code
- rCyp c 1 IgG4
- Synonyms
- Carp (rCyp c) 1 IgG4-mCnc
- Category
- chemistry
- Sample
- serum
- Container
- Serum separator tube (SST) or red-top tube with serum separator
- Units
- N/A
- Ref low
- 0.1
- Ref high
- 0.35
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 0–120 years
- Method
- Immunoassay (ImmunoCAP or equivalent fluorescent enzyme immunoassay)
- CPT
- 86001
- SNOMED
- 395112001
- Specimen volume
- 1 mL serum (minimum 0.5 mL)
- Stability
- Room temperature: 8 hours; Refrigerated (2-8°C): 7 days; Frozen (-20°C or below): 1 year. Avoid repeated freeze-thaw cycles.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 24–72 hours
- Order
- routine
Reference range
Negative: <0.10 kU/L; Equivocal/Borderline: 0.10-0.35 kU/L; Positive: >0.35 kU/L. Reference values may vary by laboratory and assay manufacturer.N/A
No fasting required. Patient should inform the ordering physician of all current medications, including antihistamines, as they may affect clinical symptoms but typically do not affect serum IgE antibody levels.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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