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Please send one block of normal tissue and one block of tumour tissue with representative H&E sections along with a copy of the report and a completed request form to the following address:

Diagnostic MMR Testing
Immunohistochemistry Laboratory
Department of Adult Histopathology
1st Floor CSB1
Manchester Royal Infirmary
Oxford Road
M13 9WL

Referred cases will be booked onto the MRI laboratory database and in order to do this the following information must be supplied on the Diagnostic MMR referral request form:

  • Full name of the patient
  • Date of birth
  • Sex
  • NHS number
  • Patient address
  • Referring clinician and histopathologist
  • Reporting address and preferred method of reporting
  • Referring laboratory information and block ID
  • Criteria for MMR IHC testing

The H&E sections will be examined for suitability. On any occasion when a block is not deemed as suitable additional tissue blocks may be requested from the referring laboratory.


(Last reviewed January 22nd 2018)