======LDL cholesterol examination procedure======
  *Learn operation of [[Erba XL-640]] and [[Erbachem]].
  *Select equipment   
    *Use Erba XL-640 as peferred equipment.
    *If Erba XL-640 is malfunctioning and can not be repaired within period acceptable to clinicians, use Erbachem and follow [[procedure for responding to Erba XL-640 failure]]
  *Read following documents

|**references**|{{LDL reference literature.jpg|LDL reference literature}}|

======Erba XL-640======
|[[Centrifugation]]|
|[[Preparing aliquot]]|
|[[nchsls:c:biochemistry:document:how_to_perform_examination_in_erba_xl-640|Procedure for examination in Erba XL-640]]|

**Procedure for [[calculation of LDL Cholesterol]] from HDL cholesterol**