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Test Code MYCO Mycoplasma pneumoniae Antibodies, IgG and IgM, Serum

Additional Test Codes

Mayo Test ID

Reporting Name

M. pneumoniae Ab, IgG and IgM, S

Useful For

An aid in the diagnosis of disease associated with Mycoplasma pneumoniae

Profile Information

Test ID Reporting Name Available Separately Always Performed
MYCG M. pneumoniae Ab, IgG, S No Yes
MYCM M. pneumoniae Ab, IgM, S No Yes

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
MMYCO M. pneumoniae Ab, IgM, S by IFA No No

Testing Algorithm

If Mycoplasma pneumoniae antibodies, IgM is positive or equivocal, then Mycoplasma pneumoniae antibodies, IgM by indirect immunofluorescence assay (IFA) will be performed at an additional charge.

Method Name

MYCG, MYCM: Enzyme Immunoassay (EIA)

MMYCO: Indirect Immunofluorescence Assay (IFA)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


Specimen Required

Collection Container/Tube: 

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reference Values


≤0.90 (negative)

0.91-1.09 (equivocal)

≥1.10 (positive)



≤0.90 (negative)

0.91-1.09 (equivocal)

≥1.10 (positive)


IgM by IFA

Negative (reported as positive or negative)

Day(s) and Time(s) Performed

Monday through Friday; 9 a.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86738 x 2-Mycoplasma pneumoniae by EIA

86738-Mycoplasma pneumoniae by indirect IFA (if appropriate)

LOINC Code Information

Result ID Reporting Name LOINC Code
MYCG M. pneumoniae Ab, IgG, S 5255-5
MYCM M. pneumoniae Ab, IgM, S 5256-3