Mantoux Test

Interpreting Results

Overview of Mantoux Test

What is Mantoux Test?

The Mantoux test is a screening test for tuberculosis. It is done if you have signs or symptoms of tuberculosis like fever, cough with sputum production, difficulty in breathing etc. A standard dose of 5 Tuberculin units is injected intradermally and read 48 to 72 hours later. This intradermal injection is referred as the Mantoux technique. 

Why is Mantoux Test done?

  1. If you have signs or symptoms suggestive of tubercolosis like persistent cough, fever, night sweats, weight loss, fatigue 

Preparation for Mantoux Test

  • No special preparation required

Sample Type for Mantoux Test

The sample type collected for Mantoux Test is: Skin Injection for Tuberculosis

Interpreting Mantoux Test results


  • The result of this test is interpreted in terms of induration (palpable, raised, hardened area) across the forearm in millimeters. If there is no induration, the result should be recorded as "0 mm" and it means that you have not been exposed to TB bacilli. 
  • Induration of 5 mm, 10 mm, and 15 mm is considered positive depending on the individual's risk factors. A positive test result indicates TB exposure. 

Provided By

Vrinda Diagnostic

Nehru Nagar, GHAZIABAD
Vrinda Diagnostic



About Vrinda Diagnostic

Vrinda Diagnostics is centrally located at Nehru Nagar, Ghaziabad. It was established by Dr. Sanjay Sharma, Radiologist & Dr. (Mrs.) Renu Sharma, Pathologist, in year 2000 with only one ultrasound machine & a basic setup in pathology. Despite this very humble beginning, Vrinda Diagnostics pioneered the diagnostic services in & around NCR. In the year 2001, the centre installed first spiral CT machine in the NCR and in year 2002 took a step forward by installing first MRI machine and new concept of 4-D ultrasound in NCR. The aim of providing highly specialized diagnostic services, using state-of-the-art medical technology, became the symbol of Vrinda Diagnostics. During its journey towards modernization & providing better services to society, it introduced the digital radiography in NCR for the first time. Alongwith radiology advancement, it never lagged behind in modernization of pathology services and acquired state-of-the-art newer equipments which can provide accurate results in lesser time. As the response of patients & clinicians was overwhelming towards the services of Vrinda Diagnostics; to cater a large area, in year 2006, Vrinda Diagnostics opened one more Diagnostic Centre, Vrinda Labs & Research Centre Pvt Ltd at 5/5, Gaur Galaxy, Vaishali, Ghaziabad with modern diagnostic equipments and highly qualified doctors. On demand of clinicians, Vrinda Labs & Research Centre Pvt Ltd, Vaishali, Ghaziabad has started several sample collection centres in Indiarapuram, Kavi Nagar, Vasundhara etc.Patients are sent to Vrinda Diagnostics by practitioners or specialists who want an early & accurate examination result. After the examination, they return to their doctors for further treatment.