Sample Rejection Criteria SOP

Purpose

To outline the criteria for rejecting specimens that do not meet quality standards for histopathological analysis.

Scope

This SOP applies to all specimens received in the laboratory for histopathological examination.

Responsibilities

• Laboratory staff: Ensure specimens are evaluated against rejection criteria.
• Quality manager: Review and update rejection criteria as necessary.

Materials & equipment

• Specimen rejection checklist
• Specimen tracking log

Procedure

1. 1. Assess each specimen upon receipt for completeness of documentation.
2. 2. Verify specimen labeling matches accompanying paperwork.
3. 3. Check for signs of contamination or degradation.
4. 4. Evaluate specimen volume against minimum requirements.
5. 5. Confirm specimen type is appropriate for requested analysis.
6. 6. Document any discrepancies or issues on the specimen rejection checklist.
7. 7. Notify the submitting clinician of the rejection and provide reasons.
8. 8. Record the rejection in the specimen tracking log.

Records

• Specimen rejection checklist
• Specimen tracking log

Safety

• Always wear appropriate personal protective equipment when handling specimens.