Sistimi e bohlale ea pokello ea plasma e sebetsa ka har'a sistimi e koetsoeng, e sebelisa pompo ea mali ho bokella mali a felletseng ka senoelong sa centrifuge. Ka ho sebelisa litekanyo tse fapaneng tsa likarolo tsa mali, senoelo sa centrifuge se bilika ka lebelo le phahameng ho arola mali, se hlahisa plasma ea boleng bo holimo ha e ntse e netefatsa hore likarolo tse ling tsa mali ha li senyehe le hore li khutlisetsoa ho mofani ka mokhoa o sireletsehileng.
E kopane, e bobebe, 'me e tsamaea habonolo, e loketse liteishene tsa plasma tse kentsoeng sebakeng le pokello ea mehala. Taolo e nepahetseng ea li-anticoagulants e eketsa chai ea plasma e sebetsang. Moralo oa boima o ka morao o tiisa pokello e nepahetseng ea plasma, 'me ho lemoha ka mokhoa o itekanetseng oa mekotla ea anticoagulant ho thibela kotsi ea ho behoa ha mokotla ho fosahetseng. Sistimi ena e boetse e na le lialamo tse hlophisitsoeng tsa audio-visual ho netefatsa polokeho nakong eohle ea ts'ebetso.
ASFA - matšoao a phapanyetsano ea plasma a kenyelletsa toxicosis, hemolytic uremic syndrome, Goodpasture syndrome, systemic lupus erythematosus, Guillain-barr syndrome, myasthenia gravis, macroglobulinemia, hypercholesterolemia ea lelapa, thrombotic thrombocytopenic purpura, autoimmune hemolytic anemia, joalo-joalo. ea lingaka le ASFA tataiso.