I am writing to confirm that I have now completed my search for the information you requested.

Request

You asked us:

‘I would like to please request information on prescription directions/dosages, e.g. 'one to be taken daily'. I would like to request this in spreadsheet form with the fields of 'prescribing ODS code', 'prescribed quantity', and 'prescription directions', for the molecule of mirtazapine 15mg tablets, for the latest month for which data is available (I believe that this is currently November 2025). I am not requesting any patient identifiable information.’

The NHS Business Services Authority (NHSBSA) received your request on 26 February 2026.

We have handled your request under the Freedom of Information Act (FOIA) 2000.

Our response

Directions and dosages

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 capture this information.

Prescribing at quantity level

Under Section 21 of the FOIA we are not required to provide information in response to a request if it is already reasonably accessible to you.

The information you requested is available from the link below:

https://opendata.nhsbsa.net/dataset/english-prescribing-dataset-epd-with-snomed-code

Under the ‘Data and Resources’ section, select the month of interest to view quantity level prescription data.

Please see the following link to view the section 21 in full - https://www.legislation.gov.uk/ukpga/2000/36/section/21