Lymphocytosis

Lymphocytosis
Classification & external resources
ICD-10D72.8
ICD-9288.8
DiseasesDB7678
Lymphocytosis is an increase in the number of lymphocytes in the blood. Lymphocytosis conventionally refers to a lymphocyte count greater than 4000 per microliter, however the number may be higher in infants and children. It is common in acute viral infections, including glandular fever, but it may also be seen with intracellular bacterial infections, such as in tuberculosis. The malignant blood disease chronic lymphocytic leukaemia can cause a massive lymphocytosis, as can other leukaemias. In hairy cell leukemia, the presence of substantial numbers of hairy cells in the blood stream can cause lymphocytosis. Lymphocytosis, preceded by leukopenia, is also seen in the Icteric Phase of a viral hepatitis infection.

See also

External links



The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD
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List of ICD-10 codes. The version for 2007 is available online at [1]

Chapter Blocks Title
I Certain infectious and parasitic diseases
II Neoplasms
III Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
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The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD
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The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. These codes are in the public domain.

See also


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The Diseases Database is a free website that provides information about the relationships between medical conditions, symptoms, and medications.

It directly integrates the Unified Medical Language System.

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  • Diseases Database

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lymphocyte is a type of white blood cell in the vertebrate immune system. By their appearance under the light microscope, there are two broad categories of lymphocytes, namely the large granular lymphocytes and the small lymphocytes.
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The litre or liter (see spelling differences) is a unit of volume. There are two official symbols, namely the Latin letter L both in lower and upper case: l and L.
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Infectious mononucleosis
Classification & external resources

Infectious Mononucleosis smear showing reactive (atypical) lymphocytes, in blue.
ICD-10 B 27.
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MeSH D015462 Chronic lymphocytic leukemia (also known as "chronic lymphoid leukemia" or "CLL"), is a type of leukemia, or cancer of the white blood cells (lymphocytes).
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Leukemia
Classification & external resources

A Wright's stained bone marrow aspirate smear of patient with precursor B-cell acute lymphoblastic leukemia.
ICD-10 C 91. -C 95.
ICD-9 208.
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MeSH D007943 Hairy cell leukemia is a mature B cell neoplasm. It is usually classified as a sub-type of chronic lymphoid leukemia for convenience. It is uncommon, representing about 2% of all leukemias, or less than a total of 2000 new cases diagnosed each year in the North
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Leukopenia
Classification & external resources

ICD-10 D 70.
ICD-9 288.0

DiseasesDB 32396

MeSH C15.378.553.546 Leukopenia (or leukocytopenia, or leucopenia or leukopaenia
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MeSH D008232 Lymphoproliferative disorders (LPDs) refer to several conditions in which lymphocytes are produced in excessive quantities. They typically occur in patients who have compromised immune systems.
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complete blood count (CBC), also known as full blood count (FBC) or full blood exam (FBE) or blood panel, is a test requested by a doctor or other medical professional that gives information about the cells in a patient's blood.
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Pathologist redirects here. For other uses of the terms pathology or pathological, see pathology (disambiguation).


Pathology is the study and diagnosis of disease through examination of organs, tissues, cells and bodily fluids.
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Hematology (American English) or haematology (British English) is the branch of biology (physiology), pathology, clinical laboratory, internal medicine, and pediatrics that is concerned with the study of blood, the blood-forming organs, and blood diseases.
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White blood cells or leukocytes are cells of the immune system which defend the body against both infectious disease and foreign materials. Several different and diverse types of leukocytes exist, but they are all produced and derived from a multipotent cell in the bone
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Hematological malignancy
Classification & external resources

ICD-10 C 81. -C 96.
ICD-9 200 - 208
ICD-O: 9590-9999

Although hematological malignancies
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MeSH D008223

Lymphoma
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Leukemia
Classification & external resources

A Wright's stained bone marrow aspirate smear of patient with precursor B-cell acute lymphoblastic leukemia.
ICD-10 C 91. -C 95.
ICD-9 208.
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Agranulocytosis
Classification & external resources

ICD-10 D 70.
ICD-9 288.0

Agranulocytosis (literally meaning an increase of agranulocytes or more commonly, a lack of granulocytes) is an acute condition involving a severe and dangerous
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Leukocytosis
Classification & external resources

ICD-10 D 72.8
ICD-9 288.3 , 288.6x

DiseasesDB 33024

Leukocytosis is an elevation of the white blood cell count (the leukocyte count) above the normal range.
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Monocytosis is an increase in the number of circulating monocytes. In humans, 950/μL is regarded as at the upper limit of normal; monocyte counts above this level are regarded as monocytosis.

Monocytosis often occurs during chronic inflammation.
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Lymphopenia
Classification & external resources

ICD-10 D 72.8
ICD-9 288.8

DiseasesDB 7677

Lymphopenia is the condition in which there exists an abnormally low number of lymphocytes in the blood.
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Neutropenia
Classification & external resources

ICD-10 D 70.
ICD-9 288.0

Neutropenia (or neutropaenia, adjective neutrop(a)enic
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Red blood cells are the most common type of blood cell and the vertebrate body's principal means of delivering oxygen from the lungs or gills to body tissues via the blood.
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Anemia
Classification & external resources

ICD-10 D 50. -D 64.
ICD-9 280 - 285

DiseasesDB 663
MedlinePlus 000560
eMedicine med/132   emerg/808 emerg/734
MeSH D000740

Anemia (AmE) or anæmia/anaemia
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Hemoglobinopathy is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. Most common hemoglobinopathies include sickle-cell disease.
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