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| Major Categories | ALL | AML | Other Lymphoid Malignancies | | MDS | Refractory Anemias | | ||||||||||||
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Back to Morphology and Grade | || Go to Lymphoma || | |||||||||
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| Major Categories | ALL | AML | Other Lymphoid Malignancies | | MDS | Refractory Anemias | | ||||||||||||
(In ICD-O-3, behavior will change from /1 to /3 and these cases will be reportable)
| 9950/3 Polycythemia vera (PV, P. vera) | |
| Definition | overproduction of erythrocytes/red blood cells |
| ICD-9 code | 238.4 |
| Synonyms | Polycythemia rubra vera Proliferative polycythemia Chronic erythremia (ICD-9 207.1) Primary polycythemia Splenomegalic polycythemia Vaquez-Osler disease; Osler-Vaquez disease |
| 9960/3 Chronic myeloproliferative disease, NOS | |
| Definition | overproduction of one or more type of blood cell |
| ICD-9 code | 238.7 |
| Synonym | Chronic myeloproliferative disorder |
| 9961/3 Myelosclerosis with myeloid metaplasia | |
| Definition | condition where bone marrow is initially overactive but then develops fibrosis or scar tissue; term used when myelofibrosis/myelosclerosis is the first disease identified |
| ICD-9 code | 238.7 |
| Synonyms | Myelofibrosis as a result of myeloproliferative disease Megakaryocytic myelosclerosis Myelofibrosis (idiopathic) with myeloid metaplasia (AMM) Agnogenic myeloid metaplasia (term commonly used in US; not in ICD-0-3) Primary myelofibrosis (PMF)> See also acute myelofibrosis (9931/3) |
| 9962/3 Essential thrombocythemia | |
| Definition | overproduction of platelets/thrombocytes resulting in circulatory problems |
| ICD-9 code | 238.7 |
| Synonyms | Essential thrombocythemia Essential hemorrhagic thrombocythernia Idiopathic hemorrhagic thrombocythernia Primary thrombocythernia |
| 9863/3 Chronic myelogenous leukemia, NOS | |
