Table 1

 CPMS alert ranges for subjects with BEN (ranges for non-BEN subjects)

Alert colourWCC ×109/lNeutrophils ×109/l
CPMS, Clozaril patient monitoring service; BEN, benign ethnic neutropenia; WCC, white cell count.
Green>3.0 (>3.5)>1.5 (>2.0)
Amber2.5–3.0 (3.0–3.5)1.0–1.5 (1.5–2.0)
Red<2.5 (<3.0)<1.0 (<1.5)