BNF Code Information - Monthly Changes - November 2025
Additional Info
| Field | Value |
|---|---|
| Data last updated | 2 December 2025 |
| Metadata last updated | 2 December 2025 |
| Created | 2 December 2025 |
| Format | text/csv |
| Licence | Open Government Licence 3.0 (United Kingdom) |
Data Dictionary
| Column | Title | Type | Description |
|---|---|---|---|
| YEAR_MONTH_APPLICABLE | Year Month Applicable | yearmonth | The year and month (formatted as YYYY-MM, e.g., 2025-02) in which updates to the BNF Code Information were applied. For example, changes applied to January BNF file will be recorded as 2025-01. |
| BNF_CHAPTER | BNF Chapter | string | The name given to a British National Formulary (BNF) chapter. This is the broadest grouping of the BNF therapeutical classification system. |
| BNF_CHAPTER_CODE | BNF Chapter Code | string | The unique code used to refer to the BNF Chapter. |
| BNF_SECTION | BNF Section | string | The name given to a BNF Section. This is the next broadest grouping of the BNF therapeutical classification system after chapter. |
| BNF_SECTION_CODE | BNF Section Code | string | The unique code used to refer to the BNF Section. |
| BNF_PARAGRAPH | BNF Paragraph | string | The name given to the BNF Paragraph. This level of grouping of the BNF Therapeutical classification system sits below BNF section. |
| BNF_PARAGRAPH_CODE | BNF Paragraph Code | string | The unique code used to refer to the BNF Paragraph. |
| BNF_SUBPARAGRAPH | BNF Subparagraph | string | The name of the BNF Sub-Paragraph, a subdivision of the Paragraph level of the BNF |
| BNF_SUBPARAGRAPH_CODE | BNF Subparagraph Code | string | The unique code used to refer to the BNF Sub-Paragraph. |
| BNF_CHEMICAL_SUBSTANCE | BNF Chemical Substance | string | The name given to the BNF Chemical Substance (the main active ingredient in a drug. For example, Amoxicillin). |
| BNF_CHEMICAL_SUBSTANCE_CODE | BNF Chemical Substance Code | string | A unique code used to refer to a BNF Chemical Substance. |
| BNF_PRODUCT | BNF Product | string | The name of the Product (generic or branded) without indication of the strength or formulation. |
| BNF_PRODUCT_CODE | BNF Product Code | string | The unique code used to refer to the BNF Product. |
| BNF_PRESENTATION | BNF Presentation | string | The name given to the BNF Presentation (specific type, strength, and formulation of a drug or the specific type of an appliance. For example, Amoxicillin 500mg capsules). |
| BNF_PRESENTATION_CODE | BNF Presentation Code | string | The unique code used to refer to a BNF Presentation. |
| CHANGE_TYPE | Change Type | string |
This outlines the type of change that has occurred compared with the previously published current file. A change may be an addition, deletion, or amendment. Where an amendment has been made, the report will display the original line followed by the revised line; for example, Crinx bandage 10cm x 3.5m amended to Crinx bandage 10cm x 4m. |