Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IGHD215NT_0264379606D2    IGHD2-15   
IGHD215NG_0010199606D2    IGHD2-15   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002