Specimen

Blood

Collection Medium:

Minimum:

Full draw; any size lavender top tube (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:

18 years+                       3.7-10.5 k/mm3
6 years-17 years 364 days       4.5-13.0 k/mm3
4 years-5 years 364 days        5.0-15.5 k/mm3
2 years-3 years 364 days        5.5-15.5 k/mm3
1 year-1 year 364 days          6.0-17.0 k/mm3
3 months-364 days*              6.0-17.5 k/mm3
31 days-2 months 30 days*       5.0-19.5 k/mm3
0 day-30 days*                  9.0-30.0 k/mm3
*  values refer to full term infants.

Critical value: <1.0 k/mm3 and >50.0 k/mm3

Methodology:

Flow Cytometry

CPT Code:

85048

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