OpenSAFELY codelists


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Surgery Emergency OPCS-4 codes WITHOUT complication codes OPCS-4

This is a list of all the emergency OPCS-4 codes (as defined by RCS priority groups 1a and 1b), excluding the complication OPCS-4 codes for amputations, dislocations, compartment syndrome and washouts

Surgery emergency and immediate procedure OPCS-4 codes OPCS-4

OPCS-4 codes indicating an emergency or immediate procedure. Can be used in addition to primary procedure code

Surgery for peripheral artery disease CTV3

DEFINITION: Surgery for peripheral artery disease

Variables: (1) a binary variable denoting the presence of one of the codes at any point in the patient record. (2) the earliest date of such a code.

Surgery staged and revision procedure OPCS-4 codes OPCS-4

OPCS-4 codes indicating planned staged OR revision procedure. Can be used in addition to primary procedure code

Systemic Lupus Erythematosus (SLE) CTV3

These codes indicate a diagnosis of systemic lupus erythematosus (SLE)

Systolic blood pressure QoF SNOMED CT

A SNOMED CT codelist containing codes relating to systolic blood pressure (SBP) measurement.

Temporary Immunosuppression CTV3

Codes indicating a diagnosis of a temporary immunosuppression.

Temporary Immunosuppression (SNOMED) SNOMED CT

Automatically-generated equivalent of Temporary Immunosuppression

Thiazide type diuretic medication dm+d

The codelist contains medicines that are thiazide diuretics from the "thiazides and related diuretics" section of BNF codes.

Thyroid stimulating hormone (TSH) testing SNOMED CT

This codelist was developed to identify patients receiving a thyroid-stimulating hormone (TSH) test

Thyroid stimulating hormone (TSH) tests (numerical value) SNOMED CT

This codelist was developed to identify patients receiving a thyroid-stimulating hormone (TSH) test, with a numerical value.

Transient ischaemic attack CTV3

Codes that indicate incident or history of transient ischaemic attack. This codelist include definite and probable transient ischaemic attack. Future studies which require codes denoting definite transient ischaemic attack need to derive another codelist.

Transient ischaemic attack - secondary care ICD-10

This is a codelist of ICD-10 codes for TIA.

Transverse Myelitis CTV3

Codes that indicate an episode of transverse myelitis

Type 1 Diabetes CTV3

Codes explicitly indicating Type 1 Diabetes