This codelist aims to identify formulations of oral colecalciferol or ergocalciferol that are in combination with other active ingredients supporting bone health (e.g. calcium or a bisphosphonate).

This is a codelist to identify all warfarin preparations in the [NHS dictionary of medicines and devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).

Returns body weight measurements.

CTV3 (READ V3) codelist for Worms

All products containing zoledronic acid.

CTV3 codelist for chronic inflammatory demyelinating polyneuropathy (no corresponding ICD-10 codes found)

Codes for type 1 and type 2 diabetes.

A SNOMED UK ethnicity category codelist

6 categories*, labels are:

Codes that indicate hazardous alcohol drinking behavior. Future studies that require to specify ex-drinker and current-drinker need to revisit and review this codelist.

Codes to define incident cases of venous thromboemolic disease.

Codelist to identify people who are migrants.

Codes that indicate incident or history of peripheral arterial disease.

This is used for calculating the CHAD2S2-VASc score.

This codelist was developed in 2022 by Campbell and colleagues (https://onlinelibrary.wiley.com/doi/full/10.1002/pds.5584) for the purposes of identifying pregnancy in CPRD Aurum. It is designed to be highly sensitive, to identify any potential pregnancy (including potentially unconfirmed pregnancies and pregnancies not resulting in birth). It expands on a 2019 ICD-10 codelist developed by the same group for CPRD GOLD (https://onlinelibrary.wiley.com/doi/full/10.1002/pds.4811).

The codelist …

This is a list of generic codes which record the presence of a severe or profound learning disability, flagged as such in a patient's records separately to their underlying diagnosis.