myeloproliferative neoplasm, unclassifiable UMLS:C1333046 ICDO:9975/3 MPN, U This subgroup of myeloproliferative neoplasms includes cases which do not meet the morphologic criteria of any of the defined myeloproliferative neoplasms, or which have characteristics that overlap at least two of the myeloproliferative neoplasms. chronic myeloproliferative disorder, unclassifiable CMPD, U MEDGEN:232365 unclassifiable chronic myeloproliferative disorder Orphanet:86830 MONDO:0019452 undifferentiated myeloproliferative disease NCIT:C27350 chronic myeloproliferative disease, unclassifiable unclassifiable chronic myeloproliferative disease MPN-U myeloproliferative neoplasm, unclassifiable CMPD-U GARD:0016764 myeloproliferative neoplasm