Cold Agglutinin Titer

Message

Sendout, Mayo test code: CATTR

Test Code

LAB849

Alias/See Also

CATTR

CPT Codes
86157

Preferred Specimen

4 mL serum from a red tube. Incubation must occur prior to and after collection.

Minimum Volume

1 mL

Instructions

1. Use a warm pack to keep specimen at 37 degrees C prior to and after collecting.
2. Allow specimen to clot at 37 degrees C.
3. Centrifuge at 37 degrees C and aliquot serum into plastic vial immediately after blood clots or within one hour of collection.
4. Do not refrigerate prior to separation of serum from red cells.

Transport Container

Plastic vial

Transport Temperature

Refrigerate

Specimen Stability

Refrigerated (preferred): 7 days
Frozen: 7 days
Ambient: 72 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis: OK
Gross icterus: OK

Methodology
Titration/Red Cell Agglutination

FDA Status
Approved

Report Available

1-3 days

Limitations

Normal individuals may have low levels of cold agglutinins.

Reference Range

Included with report

Clinical Significance

Detection of cold agglutinins in patients with suspected cold agglutinin disease

This test is not recommended to diagnose Mycoplasma pneumoniae infections.

Performing Laboratory
Mayo Clinic Laboratories, Rochester, Minnesota

Additional Information
Cold Agglutinin Titer, Serum

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.