A body fluid sampling arrangement comprising: a hub (401) comprising a patterned surface (406), wherein the patterned surface defines a volume； a skin penetration member configured to pierce skin and comprising a bore (408) therethrough, wherein the bore is in fluid communication with the patterned surface； and a quantification member configured to react with a body fluid sample, wherein the hub is configured to collect the body fluid sample in the volume, and when the volume is filled, deliver the body fluid sample to the quantification member.
