Mycoplasma pneumoniae Antibody, IgG


Sunquest Code:MPABG  
Epic Code:LAB4250Epic Name:MYCO PNEUMONIAE IGG
Methodology:Enzyme-linked immunosorbent assay
CPT Code:86738
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-3 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Severely lipemic, hemolyzed or icteric


Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Centrifuge and aliquot 0.5 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50397 (MYCO-G)


Interpretive

Reference Range:

Negative

Less than 0.10 U/L

Equivocal

0.10-0.32 U/L

Positive

Greater than 0.32 U/L

 

 

Use:Over 50% of healthy adults have a relatively high background of specific M. pneumoniae IgG antibodies in their sera, probably because of past M. pneumoniae infections. Therefore, paired sera obtained with a time interval of 1 to 3 weeks are highly recommended in adults to confirm reinfection by M. pneumoniae, which is demonstrated by significant change in IgG antibodies. A significant change is indicated if one sample is above 0.32 U/L and the other is below 0.20 U/L.


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