Aspirate for AFB culture Test

Sample type:

sputum , urine, CSF , gastric washing /aspirates , other body fluid and biopsied tissue.

Uses:

To help diagnose tuberculosis (TB) and infections caused by other Mycobacterium species, which are known as acid-fast bacilli (AFB)

Precaution :

Patient Preparation:

no test preparation is needed.

sample collection:

• usually three sputum samples are collected early in the morning.

• If you are unable to produce sputum, a bronchoscope may be used to collect fluid during a procedure called a bronchoscopy.

• In children, gastric washings/aspirates may be collected.

• Depending on symptoms, urine, an aspirate from the site of suspected infection, cerebrospinal fluid (CSF), other body fluids, or biopsied tissue samples may be collected for AFB testing.

Pre - analytical errors:

Contaminated specimen.

Corrective action :

Proper sample collection and handling

Post analytical errors:

1. Writing wrong name in the report

2. Writing a wrong result in the report

The corrective action

1. Make sure you write the correct name in the report or use codes that contain all patient data .

2. If the report is not delivered to the patient and this error is discovered the correct result must be written, but if the report is delivered to the patient must communicate with him and tell him that an error has occurred and replace with the correct report.

Normal range:

Negative