Mycoplasma pneumoniae Antibody, IgM

Label Mnemonic:	MYCOM
Epic code:	LAB5698
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Serum

Specimen Instructions:

Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimen plainly as "acute" or "convalescent."

Collection Medium:

Red top tube 5 mL (Clot Activator)

Minimum:

Preferred Minimum:  0.5 mL serum
Absolute Minimum:  0.1 mL serum

Rejection Criteria:

Severely lipemic, contaminated, heat-inactivated, icteric or hemolyzed specimens.

Reference Range:

0.76 U/L or less: Negative - No clinically significant amount
   of M. pneumoniae IgM antibody detected.

0.77-0.95 U/L: Low Positive - M. pneumoniae-specific IgM presumptively
   detected.  Collection of a follow-up sample in one to two weeks is
   recommended to assure reactivity.

0.96 U/L or greater: Positive - Highly significant amount
   of M. pneumoniae-specific IgM antibody detected.  However, low
   levels of IgM antibodies may occasionally persist for more
   than 12 months post-infection.

Methodology:

Enzyme-Linked Immunosorbent Assay

CPT Code:

86738

See also:
Mycoplasma pneumoniae Antibody, IgG , Serum