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HelpTest Code CHLM Chlamydia IgM, Immunofluorescence, Serum
Ordering Guidance
For suspected Chlamydia trachomatis infection, order either CTRNA / Chlamydia trachomatis, Nucleic Acid Amplification, Varies or CGRNA / Chlamydia trachomatis and Neisseria gonorrhoeae, Nucleic Acid Amplification, Varies.
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, SSpecimen Type
SerumSpecimen Minimum Volume
0.15 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 30 days | |
| Frozen | 30 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Heat-inactivated specimen | Reject |
Reference Values
Chlamydia pneumoniae
<1:10
Chlamydia psittaci
<1:10
Day(s) Performed
Monday, Thursday
Report Available
Same day/1 to 4 daysPerforming 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. It 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 | In Process |
| 619391 | C. psittaci IgM | In Process |