Tissue Diagnostics Scheme

The Tissue Diagnostics Scheme assesses both the paraffin wax embedded tissue block and it's corresponding haematoxylin and eosin (H&E) stained slide, both of which play a critical role in tissue-based diagnosis.

Staining Criteria Handbook available in Members' Area

No. of assessment runs:                                                                                                           

6 distributions over a 12 month period                                                                   

Stains assessed:

Selected / In-house Material (all assessment runs)

Paraffin wax embedded tissue block

Haematoxylin and Eosin (H&E)

This scheme allows the EQA of the paraffin wax embedded tissue cassettes in association with the corresponding H&E stained section, to provide excellent concordance and more informed assessment and feedback.

Participants are asked to submit 1 block together with the corresponding H&E stained section from the date indicated on the delivery letter, per asset. For the purposes of submission to the UK NEQAS CPT Tissue Diagnostics scheme, an asset in this instance is classified as a 'tissue processor'. The basic scheme allows for the registration of 2 assets – additional assets can be added as part of the subscription process to cover a laboratory's / organisation's full range of automation / processing schedules.

The block and associated slide should be a true representation of that patient case, and a true representation of the quality performed in that centre as part of their routine daily workload

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