Table S1.
Read codes for COPD
| Read code | Read term |
|---|---|
| 661M300 | COPD self-management plan agreed |
| 661N300 | COPD self-management plan review |
| 66YB.00 | Chronic obstructive pulmonary disease monitoring |
| 66YB000 | Chronic obstructive pulmonary disease 3 monthly review |
| 66YB100 | Chronic obstructive pulmonary disease 6 monthly review |
| 66Yd.00 | COPD accident and emergency attendance since last visit |
| 66YD.00 | Chronic obstructive pulmonary disease monitoring due |
| 66Ye.00 | Emergency COPD admission since last appointment |
| 66Yf.00 | Number of COPD exacerbations in past year |
| 66Yg.00 | Chronic obstructive pulmonary disease disturbs sleep |
| 66Yh.00 | Chronic obstructive pulmonary disease does not disturb sleep |
| 66YI.00 | COPD self-management plan given |
| 66Yi.00 | Multiple COPD emergency hospital admissions |
| 66YL.00 | Chronic obstructive pulmonary disease follow-up |
| 66YL.11 | COPD follow-up |
| 66YL.12 | COAD follow-up |
| 66YM.00 | Chronic obstructive pulmonary disease annual review |
| 66YS.00 | Chronic obstructive pulmonary disease monitoring by nurse |
| 66YT.00 | Chronic obstructive pulmonary disease monitoring by doctor |
| 8BMa000 | Chronic obstructive pulmonary disease medication optimisation |
| 8BMW.00 | Issue of chronic obstructive pulmonary disease rescue pack |
| 8CMV.00 | Has chronic obstructive pulmonary disease care plan |
| 8CMW500 | Chronic obstructive pulmonary disease care pathway |
| 8CR1.00 | Chronic obstructive pulmonary disease clini management plan |
| 8H2R.00 | Admit COPD emergency |
| 9e03.00 | GP OOH service notified of COPD care plan |
| 9kf0.00 | COPD patient unsuitable for pulmonary rehab – enh serv admin |
| 9kf0.11 | COPD patient unsuitable for pulmonary rehabilitation |
| 9NgP.00 | On chronic obstructive pulmonary disease supprtv cre pathway |
| 9NgP.11 | On COPD (chr obstruc pulmonary disease) supportv cre pathway |
| 9Oi..00 | Chronic obstructive pulmonary disease monitoring admin |
| 9Oi0.00 | Chronic obstructive pulmonary disease monitoring 1st letter |
| 9Oi1.00 | Chronic obstructive pulmonary disease monitoring 2nd letter |
| 9Oi2.00 | Chronic obstructive pulmonary disease monitoring 3rd letter |
| 9Oi3.00 | Chronic obstructive pulmonary disease monitoring verb invite |
| 9Oi4.00 | Chronic obstructive pulmonary disease monitor phone invite |
| H3…00 | Chronic obstructive pulmonary disease |
| H3…11 | Chronic obstructive airways disease |
| H31..00 | Chronic bronchitis |
| H310.00 | Simple chronic bronchitis |
| H310000 | Chronic catarrhal bronchitis |
| H310z00 | Simple chronic bronchitis NOS |
| H311.00 | Mucopurulent chronic bronchitis |
| H311000 | Purulent chronic bronchitis |
| H311100 | Fetid chronic bronchitis |
| H311z00 | Mucopurulent chronic bronchitis NOS |
| H312.00 | Obstructive chronic bronchitis |
| H312000 | Chronic asthmatic bronchitis |
| H312011 | Chronic wheezy bronchitis |
| H312100 | Emphysematous bronchitis |
| H312200 | Acute exacerbation of chronic obstructive airways disease |
| H312z00 | Obstructive chronic bronchitis NOS |
| H313.00 | Mixed simple and mucopurulent chronic bronchitis |
| H31y.00 | Other chronic bronchitis |
| H31yz00 | Other chronic bronchitis NOS |
| H31z.00 | Chronic bronchitis NOS |
| H32..00 | Emphysema |
| H320.00 | Chronic bullous emphysema |
| H320000 | Segmental bullous emphysema |
| H320100 | Zonal bullous emphysema |
| H320200 | Giant bullous emphysema |
| H320300 | Bullous emphysema with collapse |
| H320z00 | Chronic bullous emphysema NOS |
| H321.00 | Panlobular emphysema |
| H322.00 | Centrilobular emphysema |
| H32y.00 | Other emphysema |
| H32y200 | MacLeod’s unilateral emphysema |
| H32yz00 | Other emphysema NOS |
| H32z.00 | Emphysema NOS |
| H36..00 | Mild chronic obstructive pulmonary disease |
| H37..00 | Moderate chronic obstructive pulmonary disease |
| H38..00 | Severe chronic obstructive pulmonary disease |
| H39..00 | Very severe chronic obstructive pulmonary disease |
| H3A..00 | End stage chronic obstructive airways disease |
| H3y..00 | Other specified chronic obstructive airways disease |
| H3y..11 | Other specified chronic obstructive pulmonary disease |
| H3z..00 | Chronic obstructive airways disease NOS |
| H3z..11 | Chronic obstructive pulmonary disease NOS |
| H581.00 | Interstitial emphysema |
| H582.00 | Compensatory emphysema |
| Hyu3000 | [X]Other emphysema |
| Q312111 | Perinatal mediastinal emphysema |
| SK07.00 | Subcutaneous emphysema |
Notes: “[X]” indicates cross referenced to specific ICD-10 codes. Data from the CPRD database (terms and wording are unedited, to match the original source).
Abbreviations: admin, administration; chr obstruct, chronic obstructive; clini, clinical; COAD, chronic obstructive airways disease; COPD, chronic obstructive pulmonary disease; CPRD, Clinical Practice Research Datalink; enh serv admin, enhanced services administration; GP, general practitioner; ICD-10, International Statistical Classification of Diseases and Related Health Problems; 10th Revision; NOS, not otherwise specified; OOH, out of office hours; rehab, rehabilitation; verb, verbal.