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What are the uses and limitations of a complete blood cell count for lupus?

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Complete blood cell count is a test to measure levels of different blood cells. Abnormalities in blood cell counts, including white blood cells and red blood cells, may occur in people with lupus. This may be related to the lupus, lupus treatments, or infection. For example, leukopenia, a decrease in the number of white blood cells, is found in about 50% of people with lupus. Thrombocytopenia, or a low platelet count, occurs in about 50% of people with lupus, as well. Doctors can use this test to monitor these potentially serious problems. However, many other medical conditions can cause abnormalities in blood cell counts. So the test by itself is not specific to a lupus diagnosis.

From: Lab Tests for Lupus WebMD Medical Reference

SOURCES:

Robert Wood Johnson University Hospital: "Systemic Lupus Erythematosus (Lupus)."

National Institute of Arthritis and Musculoskeletal and Skin Diseases: "Lupus: A Patient Care Guide for Nurses and Other Health Professionals, 3rd Edition."

Lupus Foundation of America: "Lab Tests."

NYU School of Medicine: "Neonatal Lupus."

Lupus Alliance of America: "Laboratory Tests for Lupus."

Children's Hospital of Pittsburgh: "Diagnosing Arthritis and Other Rheumatic Diseases."

Sjogren's Syndrome Foundation.

Reviewed by Jennifer Robinson on October 23, 2017

SOURCES:

Robert Wood Johnson University Hospital: "Systemic Lupus Erythematosus (Lupus)."

National Institute of Arthritis and Musculoskeletal and Skin Diseases: "Lupus: A Patient Care Guide for Nurses and Other Health Professionals, 3rd Edition."

Lupus Foundation of America: "Lab Tests."

NYU School of Medicine: "Neonatal Lupus."

Lupus Alliance of America: "Laboratory Tests for Lupus."

Children's Hospital of Pittsburgh: "Diagnosing Arthritis and Other Rheumatic Diseases."

Sjogren's Syndrome Foundation.

Reviewed by Jennifer Robinson on October 23, 2017

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What are the uses and limitations of a chemistry panel for lupus?

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