Specimen

Blood

Collection Medium:

Minimum:

Full draw; any size lavender top; (or fingerstick)

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

Routine turnaround time is approximately 2.5 hrs.

Reference Range:

                               Males          Females
18 years+                      40-52%         35-47%
11 years-17 years 364 days     37-48%         34-44%
5 years-10 years 364 days      35-44%         35-44%
1 year-4 years 364 days        31-44%         31-44%
6 months-364 days              31-41%         31-41%
3 months-5 months 30 days*     29-41%         29-41%
2 months–2 months 30 days*     28-41%         28-41%
31 day–1 month 30 days*        33-55%         33-55%
0-30 days*                     42-65%         42-65%
* values refer to full term infants.

Critical value: <18% and >55% (adult)

Methodology:

Automated - Flow Cytometry

CPT Code:

85014

See Additional Information:
Hematology Critical Lab Values
Hematology Pediatric Reference Ranges