2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Neoplasms Of Uncertain Behavior 235-238 > Neoplasm Of Uncertain Behavior Of Other And Unspecified Sites And Tissues 238.* >
 2007 ICD-9-CM Diagnosis 238.4
Polycythemia vera On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 238.4 can be accessed here. - 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) -- 2003
- A myeloproliferative disorder of unknown etiology, 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. Hematopoiesis is also reactive in extramedullary sites (liver and spleen). In time myelofibrosis occurs.
- 238.4 is a specific code that can be used to specify a diagnosis
- 238.4 contains 7 index entries
- View the ICD-9-CM Volume 1 238.* hierarchy
Index entries containing 238.4:- Disease, diseased - see also Syndrome
- Osler (-Vaquez) (polycythemia vera) (M9950/1)
 238.4
- Vaquez (-Osler) (polycythemia vera) (M9950/1) 238.4
Osler's- disease (M9950/1) (polycythemia vera) 238.4
Osler-Vaquez disease (M9950/1) (polycythemia vera) 238.4
Polycythemia (primary) (rubra) (vera) (M9950/1) 238.4Vaquez's disease (M9950/1) 238.4
Vaquez-Osler disease (polycythemia vera) (M9950/1) 238.4
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