Specific code 2014 ICD-9-CM Diagnosis Code 238.71
Essential thrombocythemia
  • Billable Code
  • Short description: Essntial thrombocythemia.
  • ICD-9-CM 238.71 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 238.71 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Thrombocytosis
  • Thrombocytosis (high blood platelets)
Clinical Information
  • A chronic myeloproliferative disorder that involves primarily the megakaryocytic lineage. It is characterized by sustained thrombocytosis in the blood, increased numbers of large, mature megakaryocytes in the bone marrow, and episodes of thrombosis and/or hemorrhage. The cause is unknown. Median survival times of 10-15 years are commonly reported. (who, 2001)
  • A chronic myeloproliferative neoplasm that involves primarily the megakaryocytic lineage. It is characterized by sustained thrombocytosis in the blood, increased numbers of large, mature megakaryocytes in the bone marrow, and episodes of thrombosis and/or hemorrhage. The cause is unknown. Median survival times of 10-15 years are commonly reported. (who, 2008)
  • A clinical syndrome characterized by repeated spontaneous hemorrhages and a remarkable increase in the number of circulating platelets.
  • An increased number of thrombocytes (platelets) in the blood, without a known cause.
  • Clinical syndrome characterized by repeated spontaneous hemorrhages and a remarkable increase in the number of circulating platelets.
Applies To
  • Essential hemorrhagic thrombocythemia
  • Essential thrombocytosis
  • Idiopathic (hemorrhagic) thrombocythemia
  • Primary thrombocytosis
Convert to ICD-10-CM: 238.71 converts approximately to:
  • 2014 ICD-10-CM D47.3 Essential (hemorrhagic) thrombocythemia
ICD-9-CM Volume 2 Index entries containing back-references to 238.71:
  • Hemorrhage, hemorrhagic (nontraumatic) 459.0
    • thrombocythemia 238.71
  • Thrombocythemia (primary) (M9962/1) 238.71
    • essential 238.71
    • hemorrhagic 238.71
    • idiopathic (hemorrhagic) (M9962/1) 238.71
  • Thrombocytosis 238.71
    • essential 238.71
    • primary 238.71
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 238.71 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.