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Clear
 
Test Code:
090-40-0090-01

Order Name:
Bronchoalveolar lavage (BAL) C/S

 
Useful For:
Diagnosis of lower respiratory bacterial infections including pneumonia
 
Methodology:
1. Conventional Culture Technique
2. Identification by MALDI-TOF
3. Suceptibility test by Vitek 2 Compact
 
AliasesName:
Aerobic culture
Aerobic bacteria culture
Culture, General Bacteria
Bacteria cullture
 
 
 
Test Code:
090-40-0090-01

Order Name:
Bronchoalveolar lavage (BAL) C/S

 
Patient Preparation:
Have patient rinse his/her mouth with water immediately prior to specimen collection. This reduces the number of contaminating oropharyngeal bacteria

Medications: Do not use antibiotics before collection of specimen
 
Collection Specimen Or Container:
Bronchoalveolar lavage (BAL)/ Sterile container
* Collect lavage in a Sterile container
 
Specimen Testing Type:
Bronchoalveolar lavage (BAL), volume Entire collection (minimum 0.5 mL.)
 
Sub Mission Container:
Sterile container
 
Rejection Criteria:
Specimen in formalin will be reject.
 
Specimen Stabillity:
Specimen Type Temperature Time
Bronchoalveolar lavage (BAL) Room temperature, 18oC to 25oC 2 hours
Bronchoalveolar lavage (BAL) Refrigerated, 2oC to 8oC 24 hours
 
 
 
Test Code:
090-40-0090-01

Order Name:
Bronchoalveolar lavage (BAL) C/S

 
Method detail:
1. Conventional Culture Technique
2. Identification by MALDI-TOF
3. Suceptibility test by Vitek 2 Compact
 
Schedule:
Tested daily (24 hours)
 
Turnaround Time:
Received specimen to reported within 3 days.
 
Performing Location:
Microbiology, Laboratory Department Tel. 14171
 
Specimen Retention Time:
7 days
 
 
 
Test Code:
090-40-0090-01

Order Name:
Bronchoalveolar lavage (BAL) C/S

 
 
Clinical Information:
Common bacterial agents of acute pneumonia include: Streptococcus pneumoniae, Staphylococcus aureus, Haemophilus influenzae, Pseudomonas aeruginosa, and members of the Enterobacteriaceae. Clinical history, physical examination, and chest X-ray are usually adequate for the diagnosis of pneumonia, and antimicrobial treatment is typically based on these findings.
 
Culture of expectorated sputum is used by some for the evaluation of pneumonia, although controversy exists regarding this practice; both sensitivity and specificity of sputum cultures are generally regarded as poor (<50%). Specificity is improved by collecting expectorated purulent matter from the lower respiratory tract and avoiding mouth and oropharyngeal matter, thereby reducing contamination. Prior to culture, the specimen should be examined for the presence of WBCs (evidence of purulent matter) and a paucity of squamous cells (evidence of minimal contamination by oral matter).
 
Reference Value:
No growth or usual flora
 
Interpretation:
Isolate and identify potentially aerobic pathogenic organisms. Some bacterial agents that cause lower respiratory infections (eg, Mycobacteria, Legionella species, Mycoplasma pneumoniae) are not detected by this assay
 
Clinical Reference:
1. Amy L. Leber, editor. Clinical Microbiology Procedure Handbook 4th Edition.
    Washington DC: American Society for Microbiology; 2016
2. James H. Jorgensen, Michael A. PFALLER. Manual of Clinical Microbiology 11th Edition.
    Washington, DC: ASM Press; 2015
3. https://www.mayocliniclabs.com (Retrieved: 29 Jan 2019)