The Kell antigen status test is an essential diagnostic procedure used to identify the presence of the Kell antigen on red blood cells, which is crucial for assessing the risk of hemolytic disease of the fetus and newborn (HDFN). This condition arises when maternal antibodies target fetal red blood cells expressing the Kell antigen, potentially leading to severe anemia and other complications. The test involves collecting a blood sample, typically in a lavender-top (EDTA) tube, and analyzing it using hemagglutination techniques to determine Kell antigen presence. Results indicate whether an individual is Kell positive, Kell negative, or heterozygous for the antigen. Understanding Kell status is vital in pregnancy management, blood transfusions, and genetic counseling, helping prevent adverse reactions and guide clinical decisions. Despite limitations like false-negative results and specimen quality issues, the test remains a critical tool in transfusion medicine and obstetrics, ensuring better management of red blood cell antigen-related disorders.
The Kell antigen status test is an essential diagnostic procedure used to identify the presence of the Kell antigen on red blood cells, which is crucial for assessing the risk of hemolytic disease of the fetus and newborn (HDFN). This condition arises when maternal antibodies target fetal red blood cells expressing the Kell antigen, potentially leading to severe anemia and other complications. The test involves collecting a blood sample, typically in a lavender-top (EDTA) tube, and analyzing it using hemagglutination techniques to determine Kell antigen presence. Results indicate whether an individual is Kell positive, Kell negative, or heterozygous for the antigen. Understanding Kell status is vital in pregnancy management, blood transfusions, and genetic counseling, helping prevent adverse reactions and guide clinical decisions. Despite limitations like false-negative results and specimen quality issues, the test remains a critical tool in transfusion medicine and obstetrics, ensuring better management of red blood cell antigen-related disorders.
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Awaiting result:
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The Kell antigen status test is essential for assessing the risk of alloimmune hemolytic disease in newborns. This condition arises when maternal antibodies attack fetal red blood cells expressing the Kell antigen. The test involves:
- Specimen Collection: Collect 0.5 mL of blood in a lavender-top (EDTA) tube.
- Transportation: Quickly transport to the lab; refrigerate if needed.
- Testing Methodology: Use hemagglutination to detect the Kell antigen.
- Interpretation: Determine if Kell positive, negative, or heterozygous.
Understanding Kell status is crucial in pregnancy, blood transfusions, and genetic counseling.
The Kell antigen status test is essential for identifying individuals at risk of hemolytic disease of the fetus and newborn (HDFN). Key groups who should be tested include:
- Pregnant Women: Especially those who are Kell negative, to assess the risk of developing antibodies against a Kell-positive fetus.
- Blood Transfusion Recipients: To prevent adverse reactions by ensuring compatibility.
- Genetic Counseling Candidates: Families with a history of HDFN benefit from understanding their Kell status.
- Individuals with Rare Disorders: Those with conditions like McLeod syndrome, linked to Kell antigen expression.
Understanding test results for the Kell antigen status test is vital for managing potential health risks. Here's a concise breakdown:
- Kell Positive: Indicates the presence of the K antigen on red blood cells, posing a risk for alloimmune reactions.
- Kell Negative: Absence of the K antigen, reducing the risk of hemolytic disease.
- Heterozygous: Presence of both K and k alleles, indicating partial expression of the K antigen.
These results guide clinical decisions in pregnancy, transfusions, and genetic counseling, ensuring optimal patient care.
The lowest price from the last 30 days: £193
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