Cburnetph2iggserqlia
Key facts at a glance
- LOINC
- 29777-0
- Short code
- COX2G
- Synonyms
- C burnet Ph2 IgG Ser Ql IA
- Category
- chemistry
- Sample
- serum
- Container
- Serum separator tube (SST) or red-top tube with serum transfer to a sterile transport vial
- Units
- N/A
- Ref low
- 0
- Ref high
- 1
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- Immunoassay (Enzyme-linked immunosorbent assay or chemiluminescent immunoassay)
- CPT
- 86638
- SNOMED
- 122587000
- Specimen volume
- 1.0 mL 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: <1:100 or <16 IU/mL (method dependent). Phase 2 IgG antibodies indicate past exposure or convalescent-phase Q fever; titers ≥1:200 suggest previous infection, titers ≥1:800 with compatible clinical findings suggest chronic Q fever when combined with phase 1 IgG.N/A
No fasting required. Avoid hemolyzed, lipemic, or contaminated specimens as they may interfere with immunoassay results.
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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 15, 2026. · Read our editorial policy