Sputum AFB test price

AFB (Acid Fast Bacilli) Culture Test Cost. AFB (Acid Fast Bacteria) Culture or Mycobacteria Culture is carried out to diagnose Tuberculosis, caused by Mycobacterium Tuberculosis. The test usually involves sputum collection that is cultured under laboratory condition. Patients with severe lung troubles, such as chronic cough, breathing. SPUTUM EXAMINATION, AFB. Test Code: P027. Price : Rs. 420.00. Add to Cart. Positive AFB smear results provide a first indication of Mycobacterial infection and potential TB disease. Smear-positivity and grade indicates relative bacterial burden and correlates with disease presentation. Patient therapy may be initiated for TB based on smear. Sputum Routine Test Cost in Various Indian Cities. We have Sputum Routine Test price information in 99 cities. City. Average Price. Starting Price. Price Upto. Agra. Rs. 139.00. Rs. 100.00 The Sputum AFB By Concentration Method test is generally useful for diagnosis and follow up for tb Test Type : Sputum Test Preparation : First Morning sample in sterile container Reporting : Within 24 Hours* Test Price: Please choose Location and other options on this page to view final cost in Delhi NCR

Before undergoing the AFB smear test the patient should drink lots of fluids the night before the test. The fluids can be water, tea, coffee, etc. The inclusion of fluids helps your body to create more sputum and the night before the test will do the same. The more the sputum the more accurate will be the results Hospitals and diagnostic centers may have different prices. However, the price rate may depend on the kind and number of tests that the doctor requested. The sputum culture test price can range from Php 750 to Php 3,500 or more. Is Sputum the same with Saliva Acid-fast bacillus (AFB) is a type of bacteria that causes tuberculosis (TB) and other infections. AFB tests look for AFB bacteria in sputum. An AFB smear test gives results in 1-2 days but can't confirm a diagnosis. An AFB culture can confirm a diagnosis, but results take 6-8 weeks. Learn more Medical Center Chief II Jesus Martin S. Sanciangco III, MD, FPPS. Diagnostic Radiology. Services Site Map; Services. Medical. Medicine; Surger AFB stain may be done along with culture, NAAT (Nucleic acid Amplification Test) etc. NAAT is a molecular test that detects the genetic component of Mycobacterium by amplifying the genetic material of the Mycobacterium into pieces. NAAT test is used for presumptive diagnosis of tuberculosis within short period of time (24 hours)

AFB (Acid Fast Bacilli) Culture Test Cos

AFB test is generally used to detect the presence of several different types of acid-fast bacilli, but it is most commonly used to identify an active tuberculosis (TB) infection. It helps in the diagnosis of tuberculosis. You can find AFB Test. price information in 14 cities of India. Rs. 445 The test is conducted in private hospitals and clinics and the cost ranges from Rs. 800 to 1600. When will I get the test results? The smear test results are available within 1 to 2 working days depending on the clinic Samples for the AFB test are collected as mentioned below: Sputum: Expectorated early morning, deep cough sputum should be collected with minimal saliva content; 5 to 10 mL of sample is collected on three consecutive days for correct diagnosis. It is advised to rinse the mouth with water before collecting sputum. This will ensure that no food particles, mouthwash or oral drugs contaminate the. Find Sputum Afb Stain Test in Lucknow. ?Book Sputum Afb Test at Medszoo ?View Price of Sputum Stain, Pre Test information and report availabilit

The non-acid fast bacilli lose the stain after decolourising and are stained with non-fluorescent potassium permanganate. They don't show up under the microscope in the dark. Unlike the ZN stain, this procedure does not involve heating. Mycobacteria stained using the ZN stain are best be viewed under high power lens (x800-1000), whereas the. List Price: Rs 100 - Rs 400 Our Price: Rs 95 - Rs 400 You Save: Upto Rs 305. Sputum for AFB at Tapadia Diagnostic Center, RTC Cross Roads. 4.07353652636672 Customer service representative called to Book appointment but she selected different test from what I asked. Fortunately I saw test name and asked to give correct test


Sputum Routine Test Cost - Hospitals & Diagnostics Prices

AFB smear refers to the microscopic examination of a fluorochrome stain of a clinical specimen. The AFB culture is the inoculation of a clinical specimen onto culture media Becton-Dickinson Mycobacteria Growth Indicator Tube (B-D MGIT broth) and Lowenstein-Jensen (L-J) media slant, incubation at 37°C for up to six (6) weeks and detection of. AFB Sputum Test AFB Detection Test QBC FAST AFB Kit . Following decolorization, sputum smear is counterstained with malachite green, or methylene blue which stains the background material, providing a contrast colour against which the red AFB can be seen. Within 24 Hours* Test Price: Please choose Location and other options on this page to. CULTURE AFB (MYCOBACTERIUM) RAPID. Pre Test Information: Overnight fasting is mandatory for Gastric Lavage specimens. Report Delivery: Sample Daily by 3.30 pm Report Interim: 14 days & 4 weeks Final: 6 weeks Positive results between 2-42 days shall be informed telephonically. ` 1050

129 Diagnostic Centers found for SPUTUM EXAMINATION AFB in Kolkata 1 NO AIRPORT 110,110 MAZUMDERPARA, 1NO AIRPORT GATEAIRPORT,HINDUSTAN VALENTIER CLUB,NORTH TWENTY FOUR PARGANAS,KOLKATA,WEST BENGAL 70007 2 tests will be done on your sputum: Smear. Culture. For the smear, lab staff will look at some of your sputum under a microscope. If they see bacteria in your sputum, the smear test result is positive. For the culture, lab staff put some of your sputum into a special container to grow. If bacteria grow, your culture result is positive Medically Reviewed by Sabrina Felson, MD on December 11, 2020. A sputum culture is a sample of the gooey substance that often comes up from your chest when you have an infection in your lungs or. Test Classification and CPT Coding. 87116-Isolation. 87206-AFB smear. 87015-Concentration. 87176-Tissue Digestio

Sputum AFB By Conc. Method Test Cost in Delhi Price HO

  1. A sputum culture is requested when a doctor suspects that a person has a bacterial infection of the lungs or airways, such as bacterial pneumonia, which may show as changes in the lungs as seen on a chest x-ray. Symptoms may include: Cough. Fever, chills. Muscle aches. Fatigue
  2. ation of.
  3. AFB Susceptibility (sensitivity) Test Cost Also known as - Acid-Fast Bacillus Susceptibility Acid-Fast Bacillus Susceptibility test is generally used to detect the presence of several different types of acid-fast bacilli, but it is most commonly used to identify an active tuberculosis (TB) infection
  4. Sputum For AFB Smear/ZN Stain Lab Test Rs.450.00/Test. Sputum For Gram Stain Lab Test Rs.450.00/Test. Sputum for Mycobacterium tuberculosis (AFB) C/S Lab Test Rs.3950.00/Test. Synovial Fluid for Analysis e Uric Acid Crystals Lab Test This laboratory test is performed on a sputum (phlegm).
  5. Test Preparation Needed ~10 ml Morning sputum (Not SALIVA) or induced sputum in a sterile container. Available Days Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday Test Turn Around Time 24 Hours Test Price

AFB, Smear Test - Test Results, Normal Range, Cost And Mor

  1. -Pulmonary Function Test -CBC. Php 2,000.00. TB Package 1 -Sputum AFB-FBS-SGPT-Chest X-ray. Php 1,225.00. TB package 2 -Sputum AFB-FBS-SGPT-Chest X-ray Pulmonary Unit. 2nd floor, Main Hospital Building. Davao Doctors Hospital Call us at 222 - 8000 loc 8134 ***Prices are subject to change without prior notice. DAVAO DOCTORS HOSPITAL.
  2. AFB stain, AFB identification of positives, and susceptibility tests are billed separately from culture. Identification of positive culture is billed by individual DNA probes and tests performed. Mycobacterium tuberculosis Complex Detection and Rifampin Resistance by PCR (ARUP test code 2010775) is available for respiratory, CSF or body fluid.
  3. test price list i. registration testcode testname approved price 1 registration (new) 100 testcode testname approved price mi296 24 hour urine for afb 50 ba02 afb stain 30 ba16 slit smear test 150 ba09 sputum c/s 200 ba15 stool c/s 200 ba25 swab c/s 20
  4. Expectorate into a sterile cup. Collect 5 to 10 mL of sputum in a sterile container in the morning. If the volume of sputum received is less than 1 mL, document on the report. Maximum of 3 expectorated sputum specimens, collected on separate days, will be tested on any one patient
  5. AFB3 replaces test code 1a, effective February 1, 2013. AFB smear and culture isolation from sputum or other clinical specimens. AFB smear performed using fluorescent microscopy. Culture performed using 1 liquid and 3 solid media
  6. Test Details: Profile 1 - 29,500/- 1. Blood Tests 2. Urine Analysis 3. Ultrasound Scans 4. Chest X-Ray 5. ECG 6. Height, Weight, BMI, Blood Pressure, Pulse, Temperatur

test price list / tpl ; test name: requirment: bacteriology: afb culture and sensitiviy: 1st morning sputum sample in sterile container: afb routine sample: 1st morning sputum sample in sterile container: afb smear: blood for c/s: blood culture vial (from lab ) bronchial washing for afb c/s: bronchial levage: bronchial washing for afb smear. AFB-Detection by Smear Examination ZN Stain Sputum, 1 Sample

AFB- Detection of DNA by Real Time PCR Sputum Test Details. Test Name. Acid Fast (AFB) Culture Plus Stain, Sputum. Also known as. AFB C/S - First Report after three Weeks (Any Specimen),AFB C/S - First Report after three Weeks (Any Specimen) Speciality. Sample Required. Sputum Test Name Description Price # SPUTUM AFB FIRST DAY: 250 350: Add to Cart: SPUTUM AFB STAIN SECOND DAY: 250 350: Add to Cart: SPUTUM AFB STAIN THIRD DAY: 250 350: Add to Cart: SPUTUM AFB STAIN ALL THREE DAY-3: 750 1050: Add to Cart: SPUTUM CYTOLOGY: 250 350: Add to Cart: SPUTUM GRAM STAIN: 250 350: Add to Car About Vijaya Diagnostic Centre With its 78 branches spread across 12 cities, Vijaya Diagnostic Centre has one of the most comprehensive diagnostic networks in India. The center was founded in 1981 by Dr. S. Surender Reddy, and it immediately became the first to introduce Ultrasound and Echocardiography. From then on, there was no looking back The sputum culture test identifies the presence of disease-causing pathogens patients who are suspected of having bacterial pneumonia or other lower respiratory tract infections. Sputum is thick mucus or phlegm which is expelled from the lower respiratory tract by means of coughing. Sputum is not saliva or spit

A sputum stain for Mycobacteria is a laboratory test performed on a sample of your sputum, or phlegm.It's also known as an acid-fast bacillus (AFB) stain or a tuberculosis (TB) smear. A doctor. List Price: Rs 240 - Rs 1500 Our Price: Rs 228 - Rs 1500 You Save: Upto Rs 1272. Sputum for AFB 3 Days Samples at Tapadia Diagnostic Center, RTC Cross Roads. 4.07353652636672 Customer service representative called to Book appointment but she selected different test from what I asked. Fortunately I saw test name and asked to give correct test Test Price List (Department Wise) *Disclaimer: Prices may change without prior notice. ( Last updated on 01/04/2074) Page 1 of 28. SPUTUM FOR AFB 10 20 SPUTUM FOR AFB (1ST DAY) 15 30 SPUTUM FOR AFB (2ND DAY) 15 30 SPUTUM FOR AFB (3RD DAY) 15 30 SPUTUM FOR AFB(4TH DAY) 15 3 Sputum: Three sputum specimens at 8-24 hour intervals and at least one first-morning specimen. Have patient rinse mouth with water before collecting sputum to minimize contaminating specimen with food particles, mouthwash, or oral drugs, which may inhibit the growth of mycobacteria Thanks for this A2A. Before being placed on DOTS, patients suffering from pulmonary TB have no difficulty in coughing and bringing out sputum and give it for microscopic examination. Based upon the presence or absence of TB bacilli in the sputum,.

TB 2013_Diagnosis and clinical presentation

The test may also be used for samples other than sputum in off label applications, if validated appropriately by the laboratory. Line probe assay [HAIN] This PCR-based assay is able to detect mycobacterial DNA in smear-positive sputum and cultured isolates. It is able to test for both isoniazid and rifampicin susceptibility A sputum culture is requested to detect and diagnose bacterial infections in the lower respiratory tract such as bacterial pneumonia. A bacterial infection can reach the lungs in several ways. Bacteria may spread from the mouth and throat to the upper respiratory tract, bacteria in oral or gastric secretions may be breathed into the lungs as droplets in the air Test type: Phlegm | Reporting Time: Same Day | Other Relevant Test: Sputum AFB | Test Price: Rs. 2015; 59 (10): 5873-5884. This test is performed to identify the cause of bacterial pneumonia and lower respiratory tract infections. The klebsiella pneumoniae sample of another source are less than 5% in our research result Sputum AFB smear: ~50% sensitive; AFB culture: ~80% sensitive; PCR: best for sputum with positive AFB smear, expensive (e.g., GeneXpert). Tuberculin skin test (Mantoux, PPD) and IFN-gamma release assays: cannot distinguish the active disease from latent infection; either can be negative in >25% with active infection Cost analysis included health services and patient costs. The AFB smear plus PCR dot-blot require the lowest laboratory investment for equipment (US$ 20,000). The total screening costs are 3.8 times for AFB smear plus culture versus for AFB smear plus PCR dot blot costs (US$ 5,635,760 versus US$ 1,498, 660)

Sputum Test Price in the Philippines for TB - Medical Pina

A bacterial sputum culture is ordered when a healthcare practitioner suspects that someone has a bacterial infection of the lungs or airways, such as bacterial pneumonia. This may show as changes in the lungs as seen on a chest x-ray. Signs and symptoms may include: Cough. Fever, chills. Muscle aches. Fatigue Mycobacterium tuberculosis positive in sputum smear. Acid-fast stain, analyze by microscope. Close up gram stain test showing bacteria cells of Tuberculosis bacteria gram positive on sputum isolated on white background and. Noise .Saved with clipping. Mycobacterium tuberculosis positive in sputum smear

Role of laboratory services in tb control

test name price (mrp) 24 hours urine for afb: rs. 600: afb - ascitic fluid: rs. 300: afb 1 sample - sputum: rs. 350: afb 2 sample - sputum: rs. 500: afb 3 samples - sputum Ziehl -Neelsen stain of sputum. Ziehl -Neelsen stain of sputum showing acid fast bacilli (AFB) as shown above image. Principle of Ziehl -Neelsen stain. Presence of higher alcohol, glycerol, fatty acid and especially mycolic acid in the cell wall have been found responsible for keeping the acid-fast property of bacteria gtt(glucose tolerance test) 1000: 1-5cc separate plasmaof fluoride vial: daily: routine: 239: h.d.l (cholesterol) 400 (fasting)3-5cc clotted blood or serum: daily: routine: 240: haemaglutination test for echinococus: 3000: 3-5cc clotted blood or serum: 3days: special: 241: haemaglutination test for hydated cyst: 3000: 3-5cc clotted blood or. Diagnostic TB tests. There are a number of TB tests currently available for diagnosing TB. Three of these are now recommended in the new National TB Plan to be used for adults in India who might have pulmonary TB. The three tests are sputum smear microscopy, chest X -ray, and the CB-NAAT test. The CB-NAAT test is now being made available throughout India

Lung Cancer . Sputum cytology, at least at the current time, is not a good test for screening for lung cancer. In one study comparing the effectiveness of sputum cytology with low-dose spiral CT scans for diagnosing lung cancer in asymptomatic people (people who had no symptoms of lung cancer but were at an increased risk for the disease), the test was positive 58% of the time Emergency Minimum Volume: For CSF at least 2 mL; for Gastric lavage 5mL. Other fluids optimum 10-15 mLs. Patient Prep For sputum, early am specimen from deep-cough. Not saliva. Collection Procedure: Sputum: 6-10 mL early morning collection. Urine: Entire first morning void. Place sample in tightly sealed sterile container without fixative Tel: +8809666737373 / +8801944443850 / +8801944443851 Email: info@thyrocarebd.com Address: Confidence Centre (12th floor), Kha-9, Pragoti Sarani, Shazadpur, Gulshan.

He had been coughing up sputum, but he had just been swallowing it. So, the first time he saw it was when it landed in the cup at the doctor's office. It was pink and frothy. This scared him, because he knew it meant it had blood in it. shell4life January 29, 2013 . I've never heard of putting someone to sleep for a sputum test Our Complete Tests List. Absolute Neutrophil Count. Alpha Feto Proteins (S. AFP)-Serum. Ascitic Fluid Analysis. Biochem Diab.Pro. Blood Sugar (1 1/2 hr.)-Post Lunch. Blood Sugar 1 hr. after 50 gms of Glucose load. Blood Sugar. (2 HRS)-Post Lunch. Blood Sugar-1 hr. after 75 gms of Glucose load A sputum Gram's stain is a laboratory test that allows your doctor to diagnose a bacterial infection in your respiratory tract. They may order it if you have symptoms of a respiratory infection.

A sputum culture can be used to test for fungus in the lungs. One way to collect material for sputum cytology is to ask the patient to cough. If a patient has been coughing productively and bringing up mucus, he can cough into a container and this can be sent to the lab 22 matched, SPUTUM FOR A.F.B test in (near) GHATKOPAR WEST, MUMBAI, Book online at HealthDx.in, compare the cost (rate) of services offererd, book your test now Complete Blood Count Test. Regular Price ₹280.00 Sale Price ₹224.00. Thyroid Profile. Regular Price ₹600.00 Sale Price ₹480.00. Preliminary Health Checkup. Sputum AFB. Culture & Sensitivity. Blood Culture. C-Diphtheria Culture. Book a Test. HISTOPATHOLOGY . Fine Needle Aspiration (FNAC

Acid-fast bacilli (AFB) smears and cultures were performed on 951 respiratory specimens from 425 patients. The overall sensitivity of a positive AFB smear increased from 67% with 1 sputum collected to 71% and 72%, respectively, with the second and third specimens Kurla West, Mumbai, Maharashtra. Availability. Monday to Saturday 9:00 am to 9:00 pm & Sunday 9:00 am to 12:00 pm. Sunday Open. Labs availability may change due to COVID 19 pandemic. Tests. SPUTUM AFB (3 DAYS) - ₹250.00. Accreditations. NABL The patient has had sputum AFB smear conversion (3 consecutive negative sputum AFB smears, including at least one early AM or induced sputum, collected at least 8 hours apart). A plan for ongoing close follow up and treatment has been established***, directly observed therapy (DOT) arranged, and discharge approval obtained from SFDPH TB Control. Value of Urine Lipoarabinomannan Grade and Second Test for Optimizing Clinic-Based Screening for HIV-Associated Pulmonary Tuberculosis. By ingrid bassett. Urine lipoarabinomannan to monitor antituberculosis therapy response and predict mortality in an HIV-endemic region: a prospective cohort study

Acid-Fast Bacillus (AFB) Tests: MedlinePlus Medical Tes

December 2014. Sputum specimens found acid-fast bacilli positive by fluorescent microscopy were processed for LPA. Results: Out of 3062 specimens, 2055 (67.1%) MDR-TB suspects were read as positive and specimens from 1007 (32.9%) suspects were read as negative in sputum smear microscopy Przycisk Dodaj do bibliografii jest dostępny obok każdej pracy w bibliografii. Użyj go - a my automatycznie utworzymy odniesienie bibliograficzne do wybranej pracy w s test name test method price specimen 1: gram /afb stain microscopy 100 urine/sputum/fluid 2: fungal koh microscopy 100 urine/sputum/fluid 3: culture /sensitivity culture 400: urine/sputum/fluid 4: blood c/s bact-alert 800: serum: 5: fungal c/s culture 1200: urine/sputum/fluid 6: afb c/s bact-alert 1350: urine/sputum/fluid 7: gene expert pcr 200.

Laboratory Fee

28 C AFB Culture sputum Sterile contaner 1-3 weeks 1200 29 C AFB-Isolation (by rapid culture) MGIT Blood blood culture 6-7weeks 1200 30 C AFB-Isolation (by rapid culture) Cat Test Sample Reporting Price 40 C Allergen,Individual-Animal Cat Dander Serum 4 day 120 MediBuddy is one of the best (cashless) healthcare providers in India. At MediBuddy you can book Health check packages, online lab tests, online medicines, online doctor consultation, teleconsultation, dental consultation and many more. You can also book outpatient, inpatient, and wellness services online on MediBuddy

This policy assures that the specimen is adequate (ie, if pulmonary macrophages are present in a sputum), as well as review for atypical or malignant cells. If only a special stain for PCP is wanted, without cytologic review of the cells, please order test 180232 to be sent to the microbiology department AFB Culture. Sputum, bronchial washings and bronchial brushings in sterile containers with no additives. Preferred volume is 5-10 ml but less is acceptable. Three sputum samples should be collected 8-24 hours apart and should include at least one first morning specimen. Collect in a sterile container. First morning specimen is preferred Rapid Test Dengue Fever IgM: 200: Daily: Rapid Test Dengue NS-1 Ag: 650: Daily: Rapid Test Direct Coomb's Test: 300: Daily ESR: 120: Daily Estrogen: 1400: 5 days Fluid for AFB: 400: Daily: Z.N Stain Fluid for Cytology: 1000: 5 days Fluid for Malignant Cells: 1000: 3- 5 days Fluid LDH: 350: Daily: Selectra ProM Lite Fluid R/E: 700: Daily FNA. Routinely collect respiratory specimens (e.g., sputum), process (liquefy, decontaminate, and concentrate), and test by AFB smear microscopy and culture as previously recommended (6). Specimen collection and microbiologic testing should not be delayed to await NAA test results

AFB Stain, Sputum (3 Samples) Tenet Diagnostic

Rs. HIV 1/2 Ag-Ab (4th Gen., CLIA) 450. HBsAg Ultra (CLIA) 380. Anti-HCV (CLIA) 790. V D R L (with Titre) 150 CITI Lab is a trusted name among the well-known organizations of Pakistan. We are proud to have more than 100 organizations on our panel. We offer a wide range of tests. Our database currently contains more than one thousand tests and the number is increasing. You can avail the services of CITI Lab at any time of your choice as our main lab is. Medical Test Cost in IBN Sina Hospital. Syed Manirul Islam November 12, 2018. ACTH (Blood) Rate - 950 ৳ After Discount (25%) - 712.5 ৳. ACTH stimulation Test (Synacthen)Rate - 3000 ৳ After Discount (25%) - 2250 ৳. APTT Rate - 850 ৳ After Discount (25%) - 637.5 ৳. ASO Titre Rate - 600 ৳ After Discount (25%) - 450 ৳ Ziehl-Neelsen (Acid Fast) Staining procedure. Spread the sputum evenly over the central area of the slide using a continuous rotational movement. The recommended size of the smear is about 20 mm by 10 mm. Place slides on the dryer with smeared surface upwards, and air dry for about 30 minutes. Heat fix dried smear Specimen Type: Expectorated sputum-24-Hour collection is not acceptable. Container/Tube: Sterile container, #6004913. Specimen Minimum Volume: 1 mL. Collection Instructions: Instruct patient to cough deeply and expectorate sputum into container. Label container with patient's legal name, date of birth, date and time of collection, and type of.

AFB Test (Acid Fast Bacilli) Cost, Results, Path Labs

Sputum: Deeply coughed sputum, transtracheal aspirate, bronchial washing or brushing, or deep tracheal aspirate are preferred specimens. Oncology patients, transplant patients, and patients with the acquired immunodeficiency syndrome (AIDS) are particularly prone to infection with fungi. Sputum stain for mycobacteria is a test to check for a type of bacteria that cause tuberculosis and other infections. Alternative Names. Acid fast bacilli stain; AFB stain; Tuberculosis smear; TB smear. How the Test is Performed. This test requires a sample of sputum In case of latent Tb or the place which is not expose to sputum or the origin somewhere else like extrapulmonary tuberculosis their is high chance that Your AFB and culture reports show negative result.Like in my case it was in intestine but my lu.. When using a combined diagnostic strategy of a positive sputum AFB smear or a positive urine LAM test, diagnostic sensitivity increased to 52.6% (95% CI 39.0-66.0%), but specificity decreased to.

"Slide sputum AFBCollection sputum afbAFB smear result with respect to the number of M

The overall clinical sensitivity of sputum AFB smear is 22-80% depending on the burden of mycobacteria, the type of AFB stain used, and experience of the laboratory technician, while the positive predictive value for mycobacteria is > 95% . However, acid-fast stains are not specific for MTBC as they cannot differentiate between mycobacteria. Covid-19 RT-PCR test. X-Ray and ECG now available at home. Print reports from home using online reports. 24 hrs emergency service at Rokadia Lane, Borivli (w) Home delivery of reports. Covid-19 Antigen test Of those, 102 had AFB smear-positive sputum and 161 were smear negative. In addition, another 9% (265) of patients were culture positive for nontuberculous mycobacteria, and 82 of those patients were AFB smear positive. Overall, then, the sensitivity of AFB smear was 38.8%, and the specificity was 96.7% The test is a molecular TB test which detects the DNA in TB bacteria. It uses a sputum sample and can give a result in less than 2 hours. The Genexpert can also detect the genetic mutations associated with resistance to the drug Rifampicin. 1Two hour detection of MTB and resistance to rifampicin, Cepheid International, 2011, www.