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Which urine tests are used for lupus?

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Doctors use urine tests to diagnose and monitor the effects of lupus on the kidneys. These tests include the following:

  • Measurement of Glomerular Filtration Rate and Proteinuria. This test measures how effective the kidneys are at filtering the blood to eliminate waste products. It is conducted on urine collected over a 24-hour period.
  • Protein/Creatinine Ratio. This test is performed on a one-time urine sample. It measures for protein loss, which is an indicator of kidney function.
  • Urinalysis: Urinalysis can be used in screening for kidney disease. The presence of protein, red blood cells, white blood cells, and cellular casts may all indicate kidney disease.

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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