COLD AGGLUTININS

Test Code

CAGG

CPT Codes
86157

Preferred Specimen

1 Red tube

Minimum Volume

0.6 mL

Other Acceptable Specimens

None

Instructions

Warm at 37 degrees for 15 minutes, gently inverting several times. Centrifuge, remove serum and store at room temp until testing.

Transport Temperature

Room temperature

Specimen Stability

Room Temperature up to 7 days

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

Severe hemolysis interferes with the test and will result in a rejected specimen.

Methodology
Hemagglutination

Setup Schedule

M, T, W, Th, F, Sa, Sun

Clinical Significance

Determines the presence of cold reacting antibodies which may indicate primary atypical pneumonia, infection with M. pneumoniae. Test must incubate overnight. A fasting specimen is preferred to minimize the potential for turbidity due to triglycerides.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCH15 (Chemistry, Manual)

Last Updated: April 25, 2023

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.