A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Mycoplasma pneumoniae Antibody (IgG)
Test Code659
Alias/See Also
LAB656
CPT Codes
86738
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
Other Acceptable Specimens
No additive (royal blue-top) tube
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Icteric
Methodology
Immunoassay (IA)
Setup Schedule
Daily
Report Available
2-4 days
Limitations
IgM antibody testing is valuable for early diagnosis in children; in adults, paired sera for specific IgG and IgM are generally required together with PCR. Specific IgM antibodies are often absent in reinfections; specific IgA might be quite useful in this circumstance.
Reference Range
≤0.90 | Negative |
0.91-1.09 | Equivocal |
≥1.10 | Positive |
Clinical Significance
Mycoplasma are the smallest of the free-living organisms. M. pneumoniae causes approximately 10-20% of all cases of pneumonia. These pneumonias that can affect otherwise healthy individuals, are commonly referred to as "walking" and "aypical" pneumonias.
Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |