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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Absolute Neutrophil Count

Test Code(s): ANC / HCANC

CPT Code(s): None

Methodology: Flow Cytometry and Impedance

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Blood

Collection Container: Preferred: K3EDTA-Lavender top
Also Acceptable: K2EDTA-Lavender top, Pink top tube

Collection Volume: Preferred: 4 mL
Pediatrics: 0.25 mL in microtainer

Sample Analyzed: Whole Blood

Volume Required: Preferred: 1 mL
Pediatrics: 0.25 mL in microtainer

Specimen Transport: Transport specimen to aboratory at ambient temperature.

Unacceptable Criteria: Clotted specimens are not acceptable. Tubes with <25% of fill volume.

Stability: Ambient: 8 hours
Refrigerated: Not acceptable
Frozen: Not acceptable


Interpretation

Reference Interval:

18 years and up: 1700-7500/µL

For pediatric values, refer to table under WBC Differential.

ANC

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