2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of Blood And Blood-Forming Organs 280-289 > Purpura And Other Hemorrhagic Conditions 287.* >
 2007 ICD-9-CM Diagnosis 287.3
Primary thrombocytopenia 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 Therefore, this code may be out of date.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 287.3 can be accessed here. - Thrombocytopenia occurring in the absence of toxic exposure or a disease associated with decreased platelets. It is mediated by immune mechanisms, in most cases IMMUNOGLOBULIN G autoantibodies which attach to platelets and subsequently undergo destruction by macrophages. The disease is seen in acute (affecting children) and chronic (adult) forms.
- 287.3 is a non-specific code that cannot be used to specify a diagnosis
- View the ICD-9-CM Volume 1 287.* hierarchy
287.3 excludes: - thrombotic thrombocytopenic purpura (446.6)
- transient thrombocytopenia of newborn (776.1)
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