Unit 9 Quality Control in Histology

Patient results can be reported before the QC is verified.

false

What is the retention time for wet tissue for surgical pathology?

2 weeks after final report

How often should the reagents be changed on the tissue processor?

lab workload

Special stains are controlled for intended reactivity with positive control slides.

true

Retention of surgical slides is unnecessary as long as the blocks are retained for 5 years.

false

What is the purpose of a quality control program?

minimize out of control data

What is the retention period for QC records?

two years

What is the retention time for discontinued procedures?

two years

Written standard operating procedure (SOPs) are required for all procedures.

true

How often must procedure manuals be reviewed?

annually

What is Jennifer’s favorite special stain?

GMS

There must be documentation of at least an __ review of the policies and procedures by the current Laboratory Director or designee.

annual

A paper or electronic copy of discontinued procedures must be kept for at least __ years, stating implementation and retirement date.

2

Reagents and solutions must be properly labeled with:

• Content, concentration

• Storage requirements

• Date prepared

• Expiration date

Controls must be run on all…

special stains

Retention time: general laboratory - accession log

2 years

Retention time: general laboratory - maintenance/instrument maintenance records

2 years

Retention time: general laboratory - quality control records

2 years

Retention time: surgical pathology - wet tissue

2 weeks after final report

Retention time: surgical pathology - paraffin blocks

10 years

Retention time: surgical pathology - slides

10 years

Retention time: surgical pathology - reports

10 years

Retention time: cytology - slides

5 years

Retention time: cytology - fine needle aspiration slides

10 years

Retention time: cytology - reports

10 years

Retention time: non-forensic autopsy - accession log records

2 years

Retention time: non-forensic autopsy - wet tissue

3 months after final

Retention time: non-forensic autopsy - paraffin blocks

10 years

Retention time: non-forensic autopsy - slides

10 years

Retention time: forensic autopsy - wet stock tissue

1 year

Retention time: forensic autopsy - body fluids & tissue for toxicology

1 year

Retention time: forensic autopsy - paraffin blocks, reports, slides, gross photographs/negatives, accession log, representative tissue suitable for DNA analysis

indefinitely