2013 ICD-9-CM Diagnosis Code 238.4
Polycythemia vera
- myeloproliferative disorder characterized by abnormal proliferation of all hematopoietic bone marrow elements and an absolute increase in red cell mass and total blood volume; associated frequently with splenomegaly, leukocytosis, and thrombocythemia.
- A chronic myeloproliferative disorder characterized by an increased red blood cell production. Excessive proliferation of the myeloid lineage is observed as well. The major symptoms are related to hypertension or to vascular abnormalities caused by the increased red cell mass. The cause is unknown. With currently available treatment, the median survival exceeds 10 years. (WHO, 2001)
- ICD-9-CM 238.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Convert 238.4 to ICD-10-CM 
ICD-9-CM Volume 2 Index entries containing back-references to 238.4:
Osler (-Vaquez) (polycythemia vera) (M9950/1) 
Vaquez (-Osler) (polycythemia vera) (M9950/1) 
