{
  "concept_id": 738,
  "concept_version_id": 2615,
  "coding_system": {
    "id": 18,
    "name": "ICD11 codes",
    "description": "ICD11 codes"
  },
  "name": "Asthma - Secondary care - Diagnoses",
  "description": "\n\n\n",
  "author": "Eleanor L Axson, Jennifer K Quint",
  "entry_date": "2021-10-06",
  "validation_performed": true,
  "validation_description": "Validation of Read Codes for the Identification of COPD in CPRD\n\nQuint et al. validated a set of Read codes for the identification of COPD in CPRD in 2014. Using diagnostic codes alone, the positive predictive value (PPV) was 86.5% (77.5?92.3%). Requiring a diagnostic code, spirometry measures, and specific medication increased PPV to 89.4% (80.7?94.5%) but reduced case numbers by 10%.\n\n",
  "publication_doi": "",
  "publication_link": "",
  "secondary_publication_links": "",
  "paper_published": true,
  "source_reference": "",
  "citation_requirements": "",
  "owner_access": 3,
  "group_access": 1,
  "world_access": 1,
  "tags": [],
  "collections": [
    {
      "name": "BREATHE",
      "value": 19,
      "type": 2
    },
    {
      "name": "Phenotype Library",
      "value": 18,
      "type": 2
    }
  ],
  "created_by": null,
  "modified_by": null,
  "owner": null,
  "group": null,
  "phenotype_owner": "PH12",
  "phenotype_owner_history_id": 24,
  "requested_entity_id": null,
  "components": [
    {
      "id": 942,
      "name": "axson_asthma_cdd2NMH5QDWVdEfTQNNfpK_ICD11",
      "logical_type": "INCLUDE",
      "source_type": "SELECT_IMPORT",
      "source": null,
      "codes": [
        {
          "id": 50339,
          "code": "CA23",
          "description": "Asthma"
        },
        {
          "id": 50340,
          "code": "XM97U0",
          "description": "Respiratory Drug antiasthmatic"
        },
        {
          "id": 50341,
          "code": "XM28Q8",
          "description": "Antiasthmatic drug"
        }
      ]
    }
  ],
  "version_history": [
    {
      "version_id": 2615,
      "version_name": "Asthma - Secondary care - Diagnoses",
      "version_date": "2021-10-06T15:59:24.985035Z",
      "is_published": true,
      "is_latest": true
    }
  ]
}