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Test ID CHLM Chlamydia IgM, Immunofluorescence, Serum

Specimen Required

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.3 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.

Useful For

Assessing IgM antibody levels to aid in the clinical diagnosis of Chlamydia pneumoniae or Chlamydia psittaci infections

Testing Algorithm

This test includes testing for Chlamydia pneumoniae IgM, and Chlamydia psittaci IgM

Method Name

Micro-Immunofluorescent Antibody (MIF) Assay

Reporting Name

Chlamydia IgM, IFA, S

Specimen Type


Specimen Minimum Volume

0.15 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 30 days
  Frozen  30 days

Reference Values

Chlamydia pneumoniae



Chlamydia psittaci


Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

86632 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CHLM Chlamydia IgM, IFA, S 10849-8


Result ID Test Result Name Result LOINC Value
619390 C. pneumoniae IgM 6914-6
619391 C. psittaci IgM 6917-9