Coombs indirect test

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Coombs in·di·rect test

(kūmz in'dĭr-ekt' test)
Laboratory test using serum that contains an antibody that may be used for erythrocyte typing; positive (i.e., abnormal) finding in isoimmunization from previous transfusions of incorrect cross-matching.
See: Coombs test
Synonym(s): indirect Coombs test.
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