Request

Any internal guidance, protocols, or training materials used by EIBSS assessors in applying the “balance of probabilities” standard to cases with multiple potential risk factors.

The NHS Business Services Authority (NHSBSA) received your request on 8 April 2025.

Response

I am writing to advise you that following a search of our paper and electronic records, I have established that the information you requested is not held by the NHSBSA.

The NHSBSA does not assess any medical applications or apply balance of probabilities.

All medical applications are independently assessed by the medical advisors, not internally by EIBSS assessors. The independent medical advisors use their experience and knowledge to make assessments. The following recent FOI provides information on the qualifications and experience of medical advisors:

https://opendata.nhsbsa.net/dataset/foi-02502