Immune Monitoring Laboratory at Dartmouth-Hitchcock Medical Center


CMS - 1.6.8 - Pouebo

Human leukocyte reference ranges

DartLab offers cell subset enrichment services using either Fluorescence Activated Cell Sorting or magnetic beads.

DartLab has an automated cell subset isolation instrument, the Robosep, that uses magnetic beads.

The principles of separation for StemCell products may be found here.

A very helpful tool to appreciate absolute cell numbers to be expected is the Frequencies of Cell Types chart published by StemCell Technologies.


Overview of human peripheral blood leukocytes (

Leukocyte overview

Human leukocyte reference ranges

Reference ranges for leukocyte subsets from Dartmouth Hitchcock Medical Center (DHMC) Pathology Department:


DHMC CBC Reference Range




DHMC CLincal Flow Cytometry ref values