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  2. ICD coding for rare diseases - Wikipedia

    en.wikipedia.org/wiki/ICD_coding_for_rare_diseases

    Europe and other parts of the world use the ICD-10. The root codes for ICD-10 and ICD-10-CM are the same, making it helpful for locating codes for general body systems and disease processes. [2] [3] In ICD-11 the search and coding of any disease, including rare ones is done via the ICD-11 website. [4]

  3. ICD-10 - Wikipedia

    en.wikipedia.org/wiki/ICD-10

    ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]

  4. Pancytopenia - Wikipedia

    en.wikipedia.org/wiki/Pancytopenia

    Pancytopenia is a medical condition in which there is significant reduction in the number of almost all blood cells (red blood cells, white blood cells, platelets, monocytes, lymphocytes, etc.). If only two parameters from the complete blood count are low, the term bicytopenia can be used. The diagnostic approach is the same as for pancytopenia.

  5. Reticulocytopenia - Wikipedia

    en.wikipedia.org/wiki/Reticulocytopenia

    With isolated reticulocytopenia, the main cause is Parvovirus B19 infection of reticulocytes leading to transient anemia. [2] In patients who rely on frequent red cell regeneration e.g. sickle cell disease , a reticulocytopenia can lead to a severe anemia due to the cessation in red cell production ( erythropoiesis ), referred to as aplastic ...

  6. International Classification of Diseases - Wikipedia

    en.wikipedia.org/wiki/International...

    Adoption of ICD-10-CM was slow in the United States. Since 1979, the US had required ICD-9-CM codes [11] for Medicare and Medicaid claims, and most of the rest of the American medical industry followed suit. On 1 January 1999 the ICD-10 (without clinical extensions) was adopted for reporting mortality, but ICD-9-CM was still used for morbidity ...

  7. Cytopenia - Wikipedia

    en.wikipedia.org/wiki/Cytopenia

    Pancytopenia – when all three types of blood cells; red blood cells, white blood cells, and platelets, are all deficient. This is a life-threatening disorder that is a characteristic of aplastic anemia .

  8. List of medical abbreviations: R - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    recurrent urinary tract infection: RV: residual volume right ventricle review RVAD: right ventricular assist device: RVF: right ventricular failure, or rectovaginal fistula: RVH: right ventricular hypertrophy: RVR: rapid ventricular rate (tachycardia) RVSP: right ventricular systolic pressure: RVT: renal vein thrombosis: RW: rolling walker: Rx ...

  9. Lymphocytopenia - Wikipedia

    en.wikipedia.org/wiki/Lymphocytopenia

    Lymphocytopenia is commonly caused by a recent infection, such as COVID-19. [3]Lymphocytopenia, but not idiopathic CD4+ lymphocytopenia, is associated with corticosteroid use, infections with HIV and other viral, bacterial, and fungal agents, malnutrition, systemic lupus erythematosus, [4] severe stress, [5] intense or prolonged physical exercise (due to cortisol release), [6] rheumatoid ...