Which tests measure Red Blood Cell Antibody Titre?

Red Blood Cell Antibody Titre is measured in 1 test on BiomarkersLabs.com, including Antibody Screen, RBC with Reflex to Identification, Titer, and Antigen Typing.

Biomarker Reference · Ab Titre

What does the Red Blood Cell Antibody Titre test measure?

Q: What is the reference range for Red Blood Cell Antibody Titre?

The standard reference range for Red Blood Cell Antibody Titre is Varies by antibody and clinical scenario; titre ≥1:16 or a fourfold rise during pregnancy often prompts enhanced fetal monitoring.. Reference ranges vary by laboratory and assay platform — interpret in context of the issuing laboratory's stated range.

Red Blood Cell Antibody Titre (Ab Titre) is a clinical biomarker used in infectious-disease assessment. The titre measures how many serial dilutions of patient serum still react with antigen-positive red cells. It is measured in 1 laboratory test on BiomarkersLabs.com.

Reference Range: Varies by antibody and clinical scenario; titre ≥1:16 or a fourfold rise during pregnancy often prompts enhanced fetal monitoring.
Units: Reciprocal dilution (e.g. 1:1, 1:2, 1:4, 1:8, 1:16, etc.)
Measured In: 1 test
Category: Infectious Disease

Functional medicine optimalNot applicable; interpretation is antibody- and context-specific, guided by transfusion-medicine and obstetric protocols.

What is Red Blood Cell Antibody Titre?

The titre measures how many serial dilutions of patient serum still react with antigen-positive red cells. A titre of 1:16 means the serum reacts at a dilution of one part serum to fifteen parts saline. Higher titres reflect greater antibody concentration and, in obstetrics, correlate with increased risk of haemolytic disease, though the critical titre threshold differs by antibody and institution.

Why is Red Blood Cell Antibody Titre measured?

In pregnancy, serial titres track antibody rise; a fourfold increase or crossing a critical titre (commonly ≥1:16 for anti-D or anti-K) triggers middle cerebral artery Doppler surveillance and, if indicated, intrauterine transfusion. For transfusion candidates, the titre helps judge clinical significance, particularly for antibodies of uncertain pathogenicity.

Reference ranges

Standard reference: Varies by antibody and clinical scenario; titre ≥1:16 or a fourfold rise during pregnancy often prompts enhanced fetal monitoring.
Functional medicine optimal: Not applicable; interpretation is antibody- and context-specific, guided by transfusion-medicine and obstetric protocols.
Units: Reciprocal dilution (e.g. 1:1, 1:2, 1:4, 1:8, 1:16, etc.)

Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.

Tests that measure Red Blood Cell Antibody Titre

1 test on BiomarkersLabs.com include this biomarker.

BML-INF-079Comprehensive

Antibody Screen, RBC with Reflex to Identification, Titer, and Antigen Typing

Red Blood Cell Antibody Titre reference range in this test: Varies by antibody and clinical scenario; titre ≥1:16 or a fourfold rise during pregnancy often prompts enhanced fetal monitoring.

Related clinical conditions

Related Biomarkers

Frequently measured alongside

Red Blood Cell Antibody ScreenAb Screen1 test Red Blood Cell Antibody IdentificationAb ID1 test Red Blood Cell Antigen TypingRBC Phenotype1 test

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