Endomysial Antibody IgA (EMA IgA) IFA with Dilutions in UAE | 750 AED | DHA Licensed Laboratory

Executive Summary & Core Metrics

Executive Summary

The Endomysial Antibody IgA (EMA IgA) immunofluorescence assay with dilutions is the gold standard serological test for celiac disease, offering target‑specific detection of anti‑endomysial antibodies in serum with diagnostic specificity exceeding 99%. This test provides precise titer levels critical for confirming diagnosis when clinical suspicion is high or other serology (e.g., tTG‑IgA) is equivocal.

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Test Overview & Methodology

The Endomysial Antibody IgA (EMA IgA) immunofluorescence assay with dilutions detects IgA antibodies targeting endomysium, a connective tissue component surrounding smooth muscle. This assay uses monkey esophagus sections as substrate and visualizes antibody binding via fluorescence microscopy. Dilution series (1:5, 1:10, 1:20, etc.) quantify the antibody titer, aiding clinicians in assessing disease activity. The test is performed under strict ISO 15189 quality standards at our Dubai Healthcare City facility.

Feature	Our Test (EMA IgA IFA with Dilutions)	Closest Alternative (tTG‑IgA ELISA)
Diagnostic Specificity	~99%	~95%
Methodology	Immunofluorescence Assay (IFA) – visual endomysium binding	ELISA – automated recombinant antigen
Report Speed	Next day (sample by 11 AM)	Same/next day
Price (lab processing)	750 AED	200–400 AED
Clinical Utility	Confirmatory test; resolves borderline tTG‑IgA results	Screening test; may miss IgA‑deficient or early celiac

Physician Insight & Safety Protocols

“As a DHA‑licensed General Practitioner, I routinely recommend the EMA IgA IFA with dilutions as the confirmatory serological test for celiac disease when screening results are equivocal. The test is highly specific, but a positive result must always be correlated with duodenal histology and clinical symptoms. For patients already on a gluten‑free diet, a gluten challenge is essential before testing. Parental consent and pediatric gastroenterologist oversight are mandatory for children, in accordance with Federal Decree‑Law No. 4 of 2016 on Medical Liability.”

— Dr. Ajay Singh, General Practitioner (DHA License: 36234132)

Advisory Guidelines

Pre-Test Requirements

Confirm total IgA level to rule out selective IgA deficiency, which can cause false‑negative EMA IgA results.
Patient must consume a gluten‑containing diet for at least 6 weeks prior to blood draw.
Overnight fasting is preferred but not mandatory; avoid heavy meals before sampling.
Continue all prescribed medications unless otherwise directed by your physician.

Exclusion Criteria & Red Flags

Clinical Contraindications

Exclusion: Known selective IgA deficiency (EMA IgA may be falsely negative).
Exclusion: Patient already on a strict gluten‑free diet for >4 weeks; gluten challenge required prior to testing.
Red Flag: Severe unexplained weight loss, intractable vomiting, or signs of intestinal obstruction — seek emergency medical evaluation immediately.
Red Flag: Hematochezia or severe abdominal pain associated with hemodynamic instability — go to nearest ER.
Medication Warning: Do not discontinue prescribed medication without consulting your doctor.

Patient FAQ & Clinical Guidance

1. What is the purpose of this test?

This test detects IgA antibodies against endomysium, helping diagnose celiac disease and monitoring gluten‑free diet adherence. A positive titer indicates likely active celiac disease, but a duodenal biopsy remains the gold standard for definitive diagnosis.

2. How should I prepare for the EMA IgA test?

Overnight fasting is preferred. You must remain on a gluten‑containing diet for at least 6 weeks prior to the blood draw. Do not stop any prescribed medications without consulting your doctor.

3. What do the results mean?

A positive titer (e.g., ≥1:5) strongly suggests active celiac disease. However, a negative result does not completely rule out the condition, especially in IgA‑deficient patients or those on a gluten‑free diet. Your clinician will correlate serology with symptoms and biopsy findings.

4. Can I take this test if I am already on a gluten‑free diet?

No. You must be consuming gluten for at least 6 weeks before the test. If you are already gluten‑free, a gluten challenge (typically 10g of gluten daily for 6 weeks) is required prior to this serology.

UAE Regulatory & Data Privacy Adherence

DNA Labs UAE operates under the strict regulatory framework of the Dubai Health Authority (DHA) Facility License Number 1143. All patient data is handled in full compliance with Federal Decree‑Law No. 45 of 2021 on Personal Data Protection (PDPL) and Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields. Clinical testing procedures adhere to Federal Decree‑Law No. 4 of 2016 on Medical Liability. Your privacy and safety are our highest priorities.

Clinical & Logistical Metadata

Test Name	Endomysial Antibody IgA (EMA IgA) IFA with Dilutions
Price (AED)	750 AED
Turnaround Time	Next day (sample received by 11 AM)
Sample Type / Matrix	Serum (1 mL in plain tube)
Methodology Used	Indirect Immunofluorescence Assay (IFA) with serial dilutions
ICD-10-CM Code	K90.0 (Celiac disease)
LOINC Code	43114-7 (Endomysium Ab [Titer] in Serum by IF)
DHA Facility License & Laboratory Address	DHA License No. 1143 — Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE \| DNA Labs UAE