Widal Test (Tube Agglutination)

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4.7
NABL, NABH, ISO
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Overview
Test Results & Interpretations

Overview of Widal Test (Tube Agglutination)

Test Description

Typhoid fever also called enteric fever is caused by bacterium Salmonella Typhi and is usually transmitted through foods and drinks contaminated with faecal matter.You should get this test done if you have symptoms which suggest typhoid fever like fever, abdominal pain, headaches, rose spots. It helps to make presumptive diagnosis of typhoid fever.

Why Get Tested

  1. If you have signs or symptoms of typhoid (enteric) fever like headache, high fever, abdominal pain, diarrhea, weight loss or skin rashes called rose spots 
  2. As a part of fever panel 

Precautions

  • No special preparation required

What Results of Widal Test (Tube Agglutination) mean?

Interpretations

  • If the TO antigen titre is greater than 1:160 in an active infection, the widal test is positive and indicates typhoid fever 
  • If the TH antigen titre is greater than 1:160 in past infection or immunized persons, the widal test is positive and indicates typhoid fever
  • If these antigens are negative, then the widal test is considered to be negative and there is no typhoid fever
    A single Widal test holds little clinical applicability due to the several cross reacting infections, which include malaria. If other tests, such as serology or bacteriologic culture, are unavailable, then inferences such as a fourfold rise in the titre {For example from 1:30 to 1:120} during the course of an infection, or a change from an IgM reaction of a specific titre to an IgG reaction of the same titre in the least, would signify typhoid reaction

Provided By

NABL

NABH

ISO

Max Lab runs 11 NABL accredited, 24×7 operational laboratories in Delhi NCR, Punjab and Uttaranchal. Our labs are equipped with fully automated state-of-art technology and infrastructure to achieve the highest level of excellence and quality results. With over 500 highly trained staff and over 70 doctors who are trained in various sub-specialities at the best institutes in India and overseas, Max Lab boasts of having highly qualified haematologists, histopathologists, biochemists and microbiologists. We evaluate over 50, 00,000 samples every year with access to sample quantities not readily available to most institutions. This depth of experience directly benefits us in catering to the patient with complex or rare cases and in interpreting unusual results. At the core of our expertise is the ability to provide our patients with an extensive and ever-growing portfolio of cutting-edge and routine testing for a broad range of disease states. Our capability enables us to quickly and easily move from a sound diagnostic course of action to confident decision making for improved patient care. Max Healthcare, a leading name in the healthcare industry, brings its medical expertise and hospital-quality healthcare in the comfort of your home through Max@Home. With a special purpose to help people lead a life with independence and dignity, we deliver our services with compassion, excellence and reliability. To help you help you recover faster and lead a comfortable life, we provide nursing care attendants, physiotherapists and doctors for home visits. We also arrange for home sample collection and facilitate medical equipment on rent.

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