Isocyanate MDI
Use
The Isocyanate MDI test is primarily used to measure specific IgE antibodies against isocyanate MDI, which is significant for identifying allergic reactions to this compound. It assists in diagnosing occupational asthma and other allergic conditions related to isocyanate exposure, commonly used in manufacturing industries such as polyurethane production. Monitoring IgE levels can help manage exposure risks and inform patient management strategies.
Special Instructions
The test requires a serum specimen collected using a red-top tube or gel-barrier tube. Proper specimen handling should ensure stability for 14 days at room temperature or refrigerated, and for 3 months if frozen. Detailed IgE class results provide insight into the degree of allergic sensitivity.
Limitations
The test may yield false-negative results if the patient has not been recently exposed to the allergen or if IgE levels are below the detection threshold. False positives can occur due to antibody cross-reactivity. Interpreting results should consider clinical history and other diagnostic findings, as IgE levels alone do not confirm specific clinical reactions.
Methodology
Immunoassay (Thermo Fisher ImmunoCAP)
Biomarkers
LOINC Codes
- 7430-2
- 7430-2
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.2 mL
Minimum Volume
Not provided
Container
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 3 months |