Tb Pcr Random Urine
What is this test?
This test is used to detect the presence of bacterial infection caused by Mycobacterium tuberculosis in organs related to the urinary system. Your doctor may advise this test if he/she suspects any active extra-pulmonary tuberculosis(TB infection apart form lungs). This test is useful in detecting the presence of infection in individuals whose test results were negative in previous tests.
What is tuberculosis?
Tuberculosis TB is a bacterial infection caused by Mycobacterium tuberculosis MTB. Generally, TB affects the lungs and sometimes it can also affect other organs and parts of the body. The disease can spread through the air from one person to another if exposed to cough, sneeze from the individual. Individuals who are suffering from TB experience symptoms such as cough which lasts more than 2-3 weeks, cough with blood, chest pain, difficulty in breathing, weight loss, fever, night sweats, etc.
The bacteria can infect other internal organs in Individuals with a decreased immune system. The occurrence of tubercular infection apart from lungs may occur in up to 30% of individuals and is called Extrapulmonary tuberculosis, this may occur in internal organs like kidneys, genital organs, skin, joints, bones, membranes of the heart, abdominal wall, etc. The tubercular infection in genital organs like the fallopian tubes, endometrium, cervix, vagina, etc.may affect fertility in women.
Why this test is performed?
This test is performed to check the presence of tuberculosis DNA in the urine sample of an individual. The doctor may ask you to undergo this test if you are suffering from symptoms such as long-lasting cough, chest pain, difficulty in breathing, weight loss, pain while passing urine, fever, reddish coloured urine etc.
If you are on treatment for tuberculosis, then the doctor may ask you to perform this test to evaluate and to check the effectiveness of the treatment and to check whether the bacterium has developed resistance towards TB medicines such as rifampicin. Mostly, this test is done along with other tests to confirm the diagnosis.
Test Preparation
Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Tb Pcr Random Urine. Your doctor will give specific instructions depending on your condition on how to prepare for Tb Pcr Random Urine.
Some medications may change the test results and hence you are advised to inform all your current medications to the doctor prior to the test.
Understanding your test results
The test results may be different depending on gender, age, health conditions, and other factors.
If the test results are negative it may indicate that there is no Mycobacterium tuberculosis DNA in the urine and the individual is not suffering from tuberculosis.
In case the test results are positive it may indicate that there is Mycobacterium tuberculosis DNA in urine and the individual is suffering from tuberculosis.
| Gender | Age groups | Value |
| MALE | All age groups | A positive result implies tuberculosis detection |
| FEMALE | All age groups | A positive result implies tuberculosis detection |