A device for preparing a fluid sample for use in a fluid analyte meter, comprising: a first portion (62, 102), comprising: a septum piercing projection (63, 103), and a capillary channel (65, 105); and a second portion (62, 104), comprising: a treatment solution chamber (66, 106), a sample treatment solution contained within the treatment solution chamber (66, 106); a first septum (68, 108) sealing the treatment solution chamber (66, 106), and a second septum (69, 109) sealing the treatment solution chamber (66, 106), wherein the first septum (68, 108) is positioned across the top of the treatment solution chamber (66, 106) and the second septum (69, 109) is positioned across the bottom of the treatment solution chamber (66, 106); wherein the capillary channel (65, 105) is disposed within the septum piercing projection (63, 103); wherein the septum piercing projection (63, 103) penetrates the first septum (68, 108) when the first portion (62, 102) is inserted into the second portion (62, 104) such that contents of the treatment solution chamber (66, 106) mix with contents of the capillary channel(65, 105); and characterized by a dispensing nozzle (61, 101) received into the second portion (62, 104) of the device; wherein the movement of the dispensing nozzle (61, 101) with respect to the first portion (62, 102) of the device penetrates the second septum (69, 109) such that the mixed contents of the treatment solution chamber and the capillary channel are ejected through the dispensing nozzle (61, 101). a first portion (62, 102), comprising: a septum piercing projection (63, 103), and a capillary channel (65, 105); and a septum piercing projection (63, 103), and a capillary channel (65, 105); and a second portion (62, 104), comprising: a treatment solution chamber (66, 106), a sample treatment solution contained within the treatment solution chamber (66, 106); a first septum (68, 108) sealing the treatment solution chamber (66, 106), and a second septum (69, 109) sealing the treatment solution chamber (66, 106), wherein the first septum (68, 108) is positioned across the top of the treatment solution chamber (66, 106) and the second septum (69, 109) is positioned across the bottom of the treatment solution chamber (66, 106); wherein the capillary channel (65, 105) is disposed within the septum piercing projection (63, 103); a treatment solution chamber (66, 106), a sample treatment solution contained within the treatment solution chamber (66, 106); a first septum (68, 108) sealing the treatment solution chamber (66, 106), and a second septum (69, 109) sealing the treatment solution chamber (66, 106), wherein the first septum (68, 108) is positioned across the top of the treatment solution chamber (66, 106) and the second septum (69, 109) is positioned across the bottom of the treatment solution chamber (66, 106); wherein the capillary channel (65, 105) is disposed within the septum piercing projection (63, 103); wherein the septum piercing projection (63, 103) penetrates the first septum (68, 108) when the first portion (62, 102) is inserted into the second portion (62, 104) such that contents of the treatment solution chamber (66, 106) mix with contents of the capillary channel(65, 105); and characterized by a dispensing nozzle (61, 101) received into the second portion (62, 104) of the device; wherein the movement of the dispensing nozzle (61, 101) with respect to the first portion (62, 102) of the device penetrates the second septum (69, 109) such that the mixed contents of the treatment solution chamber and the capillary channel are ejected through the dispensing nozzle (61, 101).