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Interferon-gamma release assay (IGRA)

The Interferon-gamma release assay (IGRA) looks at immune response to TB proteins in blood. It is done for: testing for TB infection, especially after BCG.

सामान्य स्वास्थ्य जानकारी — यो निदान होइन। आपत्कालमा १०२ मा फोन गर्नुहोस्। सधैं योग्य स्वास्थ्यकर्मीसँग सल्लाह लिनुहोस्।

Why it is done

Testing for TB infection, especially after BCG.

Preparation

No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: TB infection likely (not proof of active disease). Low or negative may mean: TB infection less likely. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

What it measures

Immune response to TB proteins in blood.

Sample type

Blood

If the result is high

TB infection likely (not proof of active disease).

If the result is low

TB infection less likely.

सन्दर्भ दायरा प्रयोगशाला, उमेर र लिङ्गअनुसार फरक पर्छ — सधैं आफ्नो रिपोर्टमा उल्लेखित दायरा हेर्नुहोस्।

नतिजा व्याख्या गर्न डाक्टरलाई देखाउनुहोस् — एउटै परीक्षणले निदान गर्दैन।

सम्बन्धित अवस्था

entry-health-condition-tb

यो कहाँ गर्न सकिन्छ

तपाईंनजिकको हेरचाह

नजिकका सुविधा देखाउन तपाईंको स्थान एक पटक प्रयोग गर्छ। केही सुरक्षित गरिँदैन।

सामान्य प्रश्न

What does the Interferon-gamma release assay (IGRA) measure?
Immune response to TB proteins in blood.

Why is the Interferon-gamma release assay (IGRA) done?
Testing for TB infection, especially after BCG.

Do I need to fast for the Interferon-gamma release assay (IGRA)?
No fasting needed.

What does a high or positive Interferon-gamma release assay (IGRA) mean?
TB infection likely (not proof of active disease).

What does a low or negative Interferon-gamma release assay (IGRA) mean?
TB infection less likely.

What is the normal range for the Interferon-gamma release assay (IGRA)?
Laboratory-specific; see the reference range on your report.

Interferon-gamma release assay (IGRA) किन गरिन्छ?
Testing for TB infection, especially after BCG.

Interferon-gamma release assay (IGRA) का लागि तयारी/उपवास चाहिन्छ?
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: TB infection likely (not proof of active disease). Low or negative may mean: TB infection less likely. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).

स्रोत: SI health summary (own words); MedlinePlus Lab Tests and CDC as references

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