24 hours
Test Updated:
Agglutinins, Cold
COLD
COLD AGGLUTININS
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Test Overview
Hemagglutination
Support the diagnosis of primary atypical pneumonia (Mycoplasma pneumoniae), hemolytic anemia, cirrhosis, Raynaud's disease, some viral diseases, and infectious diseases such as staphylococcemia and influenza. May also occur in pregnancy. A fourfold rising and falling titer is found in primary atypical pneumonia (PAP); 55% of patients with PAP have rising titers. Ninety percent of these are severely affected or have prolonged illness.
Titer less than 1:40
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a red top tube; do not use SST tube. Maintain specimen at room temperature. In the laboratory, process as follows: 1) Place specimen in 37 degrees C waterbath or incubator for 30 minutes and allow to clot. 2) After 30 minute incubation at 37 degrees C, centrifuge specimen at 2000 rpm for 5 minutes. 3) Aliquot serum into a plastic vial and refrigerate. 4) Indicate on requisition or manifest that the specimen was incubated at 37 degrees C for 30 minutes. If specimen processing equipment is not available, the patient should have the specimen collected at an Mlabs Blood Drawing station.
