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:

Adult          3.7-10.5 k/mm3
6-18 yrs       4.5-13.0 k/mm3
4-6 yrs        5.0-15.5 k/mm3
2-4 yrs        5.5-15.5 k/mm3
1-2 yrs        6.0-17.0 k/mm3
3 mos-1 yr*    6.0-17.5 k/mm3
1-3 month*     5.0-19.5 k/mm3
0-1 month*     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