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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Cell Count, BAL

Test Code(s): BALCC / HCBALCC

CPT Code(s): 89051

Test Description: Test Component:

Nucleated cell count and differential performed from a Wright's stained cytospin.

Methodology: Manual or Impedance Count

Days Performed: Daily, 24 hours.

Turnaround Time: Routine: Differential less than 24 hours. Turnaround time met unless review by a pathologist is necessary.

Specimen Requirements

Specimen: Bronchoalveolar lavage (BAL)

Collection Container: Preferred: Sterile screw cap container

Collection Volume: Preferred: 9 mL
Pediatrics: 5 mL

Sample Analyzed: Bronchoalveolar lavage (BAL) fluid

Volume Required: Preferred: 2 mL
Pediatrics: 1 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220) immediately.

Stability: Ambient: 2 hours
Refrigerated: 2 hours
Frozen: Not acceptable


On samples with abnormal cells, a hematopathologist's written interpretive report is issued as a separate report.

Test Limitations:

Very small sample sizes may fail to demonstrate abnormal cells.

Critical Calls: View

Additional Information:

Differential results may not be available until after pathology review. A professional fee may be associated with this test.


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