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Mycoplasma pneumoniae Antibody (IgG)
MessageThis test is currently only available in BHS CPRS. If you are a Bedford provider and wish to see this test offered in Bedford CPRS- please contact the Bedford Laboratory.
Testing performed at Quest Diagnostics.
Testing performed at Quest Diagnostics.
Test Code
M.PNEUMONIAE IGG(Q)
CPT Codes
86738
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
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
Set up: Mon-Sat a.m. Report available: Next day
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
| Negative | ≤0.90 |
| Equivocal | 0.91-1.09 |
| Positive | ≥1.10 |
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 "atypical" pneumonias.
Last Updated: September 24, 2014
