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IgA subclass 1

An immunoglobulins blood test measures the amount of immunoglobulins in your blood. Immunoglobulins are also called antibodies. Antibodies are proteins that your immune system makes to fight germs, such as viruses and bacteria. Your body makes different kinds of antibodies to fight germs in different parts of the body and at different stages of an infection.

An immunoglobulins blood test can help your health care provider diagnose different types of health conditions that may affect your immune system.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

14 published ranges, each from a named source
1 y – 4 y
6–163 mg/dL
4 y – 7 y
16–186 mg/dL
Ranges from Mayo Clinic Laboratories (Pediatric Test Catalog).

All source ranges (14)
SourceSexAgeRange
Mayo Clinic Laboratories (Pediatric Test Catalog) All 1 y – 4 y 6–163 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 4 y – 7 y 16–186 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 7 y – 10 y 1.5–38.9 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 7 y – 10 y 26–209 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 10 y – 12 y 34–228 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 10 y – 12 y 2.9–49.9 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 12 y – 14 y 4–58.7 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 12 y – 14 y 40–243 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 14 y – 16 y 5.2–67.5 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 14 y – 16 y 46–259 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 16 y – 18 y 53–274 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 16 y – 18 y 6.3–76.3 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 18 y+ 76–328 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) All 18 y+ 6.9–114.3 mg/dL
details
Sample
Serum or plasma · LOINC
Code
LOINC 6886-6 · mg/dL
Also known as
Subclasses, Immune globulin A, Immunoglobulin A
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