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Immunology & Serology Fever & Infection Home collection available

Widal Slide Agglutination Test

Also known as: Typhoid test (slide)

Parameters1 tested
SampleBlood
FastingNot required
Report inSame day

How to prepare

No fasting needed

You can eat and drink normally before the test.

Good to know

No special preparation needed.

Medicines

Tell our phlebotomist about any medicines you take. Don't stop them without asking your doctor.

Comfortable clothes

Wear a loose sleeve so the sample can be taken easily from your arm.

How it works

Book onlinePick a time slot
Home visitSealed, sterile kit
Lab testingBarcode tracked
ReportIn same day

About this test

The Widal test checks for antibodies against Salmonella bacteria that cause typhoid (enteric) fever. It is usually done after the first week of fever.

Why is this test done?

  • Help diagnose typhoid fever
  • Fever lasting more than a week

Symptoms — when should you get tested?

  • Fever rising day by day
  • Headache and weakness
  • Stomach pain, constipation or diarrhoea
  • Loss of appetite

Normal range

O & H antibody titre below 1:80

Reference ranges differ slightly between labs, methods, age and sex. Always discuss your report with your doctor.

If your result is high

Titres of 1:160 or more, especially rising on repeat testing, support typhoid. A blood culture confirms it.

Common reasons
  • Typhoid fever
  • Past typhoid or vaccination
  • Other infections can give false positives

How is the test done?

  1. 1
    Book online

    Choose your slot for home collection or a visit to our centre.

  2. 2
    Blood sample taken

    A trained phlebotomist takes a small blood sample from a vein in your arm with a sealed, single-use needle. It takes about 2 minutes.

  3. 3
    Tested in our lab

    Your barcoded sample is tested on automated machines with strict quality checks.

  4. 4
    Report on WhatsApp

    A pathologist checks the result and the report reaches you on WhatsApp and email.

Save more with a health package

This test is also included in these checkups along with many other tests.

Fever Panel 6 tests · 9 parameters
Contact for price

Frequently asked questions

No fasting is needed for this test. You can eat and drink normally.

Your report is usually ready in same day after the sample reaches our lab. We send it on WhatsApp and email, and you can also download it from the Reports page.

Please call our team to confirm whether home sample collection is available for your location and test.

This test needs a blood sample. No special preparation needed.

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