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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Drug-dependent Neutrophil Ab


CPT Code(s): 86021 (1-3 drugs); each additional drug add 86021

Methodology: Flow Cytometry

Testing Site: Testing will be sent to an approved reference laboratory.

Days Performed: Once a week.

Turnaround Time: Routine: 7 days.

Specimen Requirements

Specimen: Blood

Collection Instructions: Indicate drugs to be tested.  Test cost includes 1-3 drugs.  More than 3 drugs will incur additional cost.

Collection Volume: Preferred: 9 mL
Pediatrics: 4 mL

Sample Analyzed: Serum

Volume Required: Preferred: 5 mL
Pediatrics: 1 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.

Stability: Ambient: Not acceptable
Refrigerated: 7 days
Frozen: 30 days


By report.

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