The Sputum AFB Test is a medical test that checks for specific bacteria in a person's sputum. It helps diagnose diseases like tuberculosis, which can be contagious, and guides their treatment.
Here are the basic details of the Sputum AFB Test.
Also Known As | Acid-Fast Bacillus (AFB) Test |
Type | Diagnostic Test |
Purpose | Detects tuberculosis and AFB infections |
Sample Type | Sputum, Bronchial Wash, Gastric Aspirate, etc. |
Preparation | Rinse mouth with water |
Fasting | No |
Gender | Unisex |
Age Group | All |
Normal Value | Negative |
Reporting Time | Within 24 hours |
Cost | 400-500 INR* |
*Price range may vary as per location, lab type, and procedure of lab test.
Sputum AFB Test is a diagnostic procedure that checks sputum samples for acid-fast bacteria, mainly used to diagnose tuberculosis (TB) and related infections.
The purpose of the Sputum AFB Test is to:
Here is the basic preparation for the Sputum AFB Test.
Here is the basic Sputum AFB Test Procedure.
Sputum AFB Positive Test Report PDF Format
Sputum AFB Negative Test Report PDF Format
Here is the normal result of the Sputum AFB Test.
Sputum AFB Test Result | Interpretation |
---|---|
Normal | No acid-fast bacteria found. |
Here is the Interpretation of the Sputum AFB Test.
Test Result | Interpretation |
---|---|
Positive | Presence of acid-fast bacteria; TB or AFB infection likely. |
Negative | No acid-fast bacteria detected; TB or AFB infection unlikely. |
Inconclusive | Result unclear; further testing may be needed. |
The Sputum AFB Test detects tuberculosis and related infections by examining sputum samples, aiding in timely diagnosis and treatment.
Here are some possible causes of positive result.
Positive Result | Possible Causes |
---|---|
TB Infection | Mycobacterium tuberculosis |
Non-TB Infections | Other Mycobacterium species, such as Mycobacterium avium-intracellulare complex (MAC) |
Nontuberculous Mycobacteria (NTM) | Various NTM species |
Other AFB Infections | Rare AFB infections |
Contaminants | Sample contamination during collection or testing |
A positive Sputum AFB Test can be caused by Mycobacterium tuberculosis (TB), non-TB infections, nontuberculous mycobacteria (NTM), or sample contamination.
Here are some possible causes of negative result.
Negative Result | Possible Causes |
---|---|
No TB Infection | TB bacteria (Mycobacterium tuberculosis) not present. |
No AFB Infections | Absence of Acid-Fast Bacteria (AFB) infections. |
Early Infection | TB in very early stages may not be detectable. |
Sample Collection | Inadequate sample or improper collection technique. |
Technical Factors | Laboratory errors or issues during testing. |
A negative result may occur for various reasons, including early infection or problems with the sample or testing process.
Here are the specimen requirements for the Sputum AFB Test.
Specimen |
Serum |
|
Volume |
1 ml |
|
Container |
Red-top tube or gel-barrier tube |
|
Collection |
Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping. |
|
Storage |
Refrigerate or freeze. |
|
Sample Stability |
Temperature |
Period |
Room temperature |
7 day |
|
Refrigerated |
14 days |
|
Frozen |
60 days |
|
Freeze/thaw cycles |
Stable x1 |
|
Causes for Rejection |
Grossly hemolyzed; bacterial contamination; lipemic specimen; icteric specimen; non-serum specimen types |
Sputum AFB is generally safe and non-invasive.
Here is the basic limitation of Sputum AFB Test.
Here are some of the risk factors of the Sputum AFB Test.
Here are the Doctor's recommendations or consult a specialist after the Sputum AFB Test.
Result | Doctor to Visit | Reason |
---|---|---|
Positive | Pulmonologist | TB or AFB infection check |
Negative | No immediate visit | No infection evident |
Here are the estimated Sputum AFB Test Prices in India with different top cities:
City |
Price Range (INR)* |
400-500 |
|
415-500 |
|
400-500 |
|
400-500 |
|
450-500 |
|
400-500 |
|
400-500 |
|
450-500 |
|
400-500 |
|
450-500 |
|
400-500 |
|
450-500 |
|
450-500 |
|
400-500 |
*Prices are approximate and vary depending on a specific laboratory or healthcare facility.
Summary
Overall, The Sputum AFB Test helps diagnose tuberculosis and related infections by examining sputum samples, aiding timely treatment decisions for better health outcomes. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholars and medical students.
Reference
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