Procedures of Accessioning Specimens - labsstudies

Procedures of Accessioning Specimens

Procedures of Accessioning Specimens

Accessioning of specimens is the  process where it involves the labelled of the specimens,  observing of specimen quantity and quality , sorted and stored of specimens in right container, and filled of a requisition form. A requisition form is the form that record the client’s information , clinical history and test results.

 In this article you will learn :

  •  Definition of accessioning specimens
  •  Criteria of accessioning specimens
  •  Criteria’s of rejecting specimens
  •  Importance of accessioning specimens
  •  Procedure of accessioning specimen
  •  Documentation of accessioning report

Definition of Accessioning specimens

  •  Is a process of qualifying specimens for laboratory investigation.

Criteria’s for accessioning Specimen 

1. Request form should be well filled with;

  • Health facility name
  • Hospital Number
  • Name of patient
  • Date
  • Age
  • Sex
  • Address
  • Ward Number
  • Clinical Note
  • Laboratory investigation
  • Time of request

 2. Sufficient quantity of specimen

 3. Right container

4.  Condition of the specimen

Criteria’s of Rejecting Specimens

 Rejecting criteria

  • Quantity is not sufficient
  • Wrong container
  • Long transport time
  • Wrongly or incomplete filled request form
  • Condition of the specimen is not ideal for the test (hemolyzed blood, dried stool, clots)
  • Unlabeled/Mislabeled specimen

Specimen Rejection Form

  •  Example of Specimen Rejection Form.
  •  Hospital Registration Number: …………………………Ward / Clinic …….……
  •  Patient Names (in full): ……………………………………………………………..
  •  Date Sample Received: …………………………… Time: ……………………….
  •  Description of Problem encountered: (in brief): …………………………………………..
  •  Corrective Action(s) Needed: ………………………………………………..…….
  •  Form Completed by: ………………Signature: ……………Date: ………………….
  •  For Clinic / Ward: Corrective Action taken ………………………………………
  •  Corrective Action taken by: Name ……………………………………………….
  •  Signature: ………………………Date: …………………Time……………….
  •  Return this form to the laboratory with specimen indicating corrective actions taken.

Rejection Codes

  1.  No specimen/sample received
  2.  Quantity not sufficient
  3.  Hemolyzed
  4.  Lipemic
  5.  Damaged-broken or leaked in transit
  6.  Damaged-contaminated
  7.  Damaged-expired transport media
  8.  Damaged-improper preservation
  9.  Damaged-improper transport media
  10.  Damaged-improper temperature
  11.  Damaged-lab accident, unsalvageable
  12.  Sample too old
  13.  No specimen/sample ID
  14.  No specimen/sample ID cannot be established
  15.   Specimen/sample ID illegible
  16.  Collection site inappropriate
  17.  Specimen /sample type unacceptable for test
  18.  No test requisition received
  19.  No test ordered on requisition
  20.   No collection date requisition
  21.  No specimen / sample collection site on requisition
  22.  Test not available
  23.  Clotted Sample

Importance of Accessioning

 Importance of Accessioning are:

  • Helps to get good results
  • It helps to avoid mixing of specimen
  • Helps track down specimen/results
  • Helps mismanagement of specimen
  • Helps to get results at right time
  • Helps patient to get treatment at right time
  • Helps the laboratory workers to plan their work
  • Helps to process the right specimens
  • It helps to keep records

Procedure of Accessioning Specimen

 Correct specimen-quantity

 Quantity of specimen required for investigation

  • Blood-3ml-5ml
  • Urine-15ml-20ml
  • Stool- teaspoonful
  • Sputum-5ml
  • Verify information on the request form

 A request form is used to write down basic information about the patient and to request for a laboratory test. Information required are:

  • Health facility name
  • Hospital Number
  • Name of patient
  • Date requesting
  • Age of the patient
  • Sex of the patient
  • Address of the patient
  • Ward Number
  • Clinical Notes
  • Laboratory investigation

 Verification of the Specimen Label

  • Hospital Number
  • Name of patient
  • Date requesting
  • Ward Number
  • Name of collector

Documentation of Accessioning Report

 Proper entering of information

  •  All information should be entered properly in the register book
  •  Specimen information
  •  Patient information
  •  Cause of specimen rejection
  •  Action taken

 

  •  Proper handling of information
  •  All information should be kept safely for reference
  • Helps in statistics analysis
  •  Improves quality of work
  •  Proper storage of register books
  • Helps tracking down information
  • Proper use computer program for storing information
  •  Use excel program

 

References

  • F.J. Baker, R.E. Silverton (2001): Introduction to Medical Laboratory Technology, 7th Edition, Oxford University Press.
  • Monica Cheesbrough (1981): Medical Laboratory Manual for Tropical Countries Volume I, 2nd Edition Butterworth & Co. (Publishers) Ltd; and
  • Monica Cheesbrough (2002): District Laboratory Practice in Tropical Countries Part 1 & 2, Cambridge University Press.
  • WHO(2003) Manual for Basic Techniques for a health laboratory.2nd Ed. Word Health Organization.

You may also like...

Leave a Reply

Your email address will not be published.