Cburnetph1igmtitrfld
Key facts at a glance
- LOINC
- 49185-2
- Short code
- COXPH1M
- Synonyms
- C burnet Ph1 IgM Titr Fld
- Category
- chemistry
- Sample
- serum
- Container
- Serum separator tube (SST) or red-top tube; alternatively, sterile container for other body fluids
- Units
- N/A
- Ref low
- 2
- Ref high
- 3
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- Immunofluorescence Assay (IFA)
- CPT
- 86638
- SNOMED
- 313680004
- Specimen volume
- 1-2 mL of serum or body fluid
- Stability
- Serum stable for 7 days at 2-8°C; for longer storage, freeze at -20°C or below. Avoid repeated freeze-thaw cycles. Body fluid stability varies by fluid type; generally, refrigerate at 2-8°C and process within 48 hours.
- Hemolysis max
- 100
- Lipemia max
- 100
- Icterus max
- 50
- TAT
- 48–168 hours
- Order
- routine
Reference range
Negative: <1:16; Positive: ≥1:16 suggesting acute or chronic Q fever infection. Phase 1 IgM antibodies typically appear 2-3 weeks after symptom onset.N/A
No special patient preparation is required. Patient should be informed about the purpose of the test (detecting antibodies to Coxiella burnetii, the causative agent of Q fever). It is recommended to collect acute and convalescent serum samples 2-4 weeks apart for optimal serological interpretation.
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 15, 2026. · Read our editorial policy