**Procedure for selection, verification and validation of examination procedures**
===Header===
^Name^Unique ID^ Edition/Date of Edition ^
|Procedure for selection, verification and validation of examination procedures|nchsls:c:biochemistry:document:12|(1) 03-01-2014|

^Preparing authority^Approving authority^Review period^
|All teaching staff of biochemistry department|HOD Biochemistry|1 year|


|**Printed copy of this document is considered uncontrolled.** It should be compared with controlled electronic copy before use|

======Processes requiring this procedure====== 
Examination Process have following subprocesses
|1|Selection of examination procedure|
|2|Independent verification of examination procedure by the laboratory|
|3|Measurement of uncertainty for examination|
|4|Examination of patient samples|
This procedure instructs how to carryout subprocess 1. subprocess 2,3 and 4 differ among various examinations, hence, they are dealt with individual examination procedure.
======Procedure======
=====Selection of examination procedure=====
Select method for examination which satisfy following criteria
  -Use [[nchsls:c:general:document:04|Procedure for evaluation, audits and resolution of complaints]] to understand examination requirements of patients and clinicians and other stackholders.These is useful to decide weather an examination should be included in the laboratory scope or not.
  -The examination procedure can be carried out using instructions for use of in vitro medical devices available in the laboratory. While performing procedure, the devices should be used as per manufacturer's instructions.
  -The examination procedure is published/validated in established/authoritative textbooks, peer-reviewed texts or journals, or in international consensus standards or guidelines, or national or regional regulations. Include such references in [[nchsls:c:biochemistry:document:13|laboratory documentation of examination procedures]]