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NHS Digital supports the digital reporting of pathology test results from NHS labs to GPs, amounting to approximately 50 million reports per year. These messages are transferred using Message Exchange for Social care and Health (MESH). The message standard used for this data flow is defined as an NHS information standard (ISB 1557). The data used within this message is called the Pathology Bounded Code List or PBCL.
In support of the data quality within these messages, NHS Digital provides the National Message Assurance Service or NMAS.