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Differential Bronchial Lavage
MessagePerformed in Hematology
Test Code
DIFFBLV
Alias/See Also
Bronchial Lavage (BLV)
Differential
BAL
Differential
BAL
Preferred Specimen
10 mL Body Fluid Container
Minimum Volume
A minimum volume of 0.5mL is required for differential.
Instructions
Specimen should be delivered to lab STAT
Specimen Stability
Storage Temperature:
Ambient: 2 hours Refrigerated (2-8°):
up to 24 hours Frozen: Do not freeze
Stability after Collection: Specimens should be analyzed within 2 hours of collection. 40% of leukocytes may lyse after 2 hours at room temp. Refrigerate if testing will be delayed. If refrigerated, bring to room temp prior to testing. Sample Retention: Body Fluid specimens are retained for 48 hours. Slides are retained for at least 1 week.
Ambient: 2 hours Refrigerated (2-8°):
up to 24 hours Frozen: Do not freeze
Stability after Collection: Specimens should be analyzed within 2 hours of collection. 40% of leukocytes may lyse after 2 hours at room temp. Refrigerate if testing will be delayed. If refrigerated, bring to room temp prior to testing. Sample Retention: Body Fluid specimens are retained for 48 hours. Slides are retained for at least 1 week.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen frozen or clotted.
Clinical Significance
Differential counts and morphologic observations aid in identifying infections, malignancies, and other systemic diseases or
conditions.
conditions.
