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HelpTest Code CHLG Chlamydia IgG, 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
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.
Specimen 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
<1:64
Chlamydia psittaci
<1:64
Day(s) Performed
Monday, Thursday
Report Available
Same day/1 to 4 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86631 x 2