Top 10 Ontario Health Insurance Plan diagnosis codes for encounters for enrolled walk-in patients — visits in a walk-in setting and visits to their enrolling family physician, Jan. 1, 2019, to Dec. 31, 2019
| Walk-in setting n = 751 414 encounters | Enrolling physician n = 993 300 encounters | ||
|---|---|---|---|
| Description | No. (%) | Description | No. (%) |
| Acute nasopharyngitis, common cold | 88 751 (11.8) | No diagnosis | 83 811 (8.4) |
| Acute bronchitis | 26 860 (3.6) | Mental health* | 78 033 (7.9) |
| Mental health* | 26 396 (3.5) | Diabetes mellitus, including complications | 47 241 (4.8) |
| Acute sinusitis | 25 830 (3.4) | Essential, benign hypertension | 45 888 (4.6) |
| Other ill-defined conditions | 25 582 (3.4) | Other ill-defined conditions | 42 085 (4.2) |
| Other disorders of the urinary tract | 22 198 (3.0) | Acute nasopharyngitis, common cold | 32 633 (3.3) |
| Eczema, atopic dermatitis, neurodermatitis | 16 738 (2.2) | Musculoskeletal symptoms other than back pain‡ | 28 145 (2.8) |
| Gastrointestinal symptoms† | 16 310 (2.2) | Gastrointestinal symptoms† | 26 950 (2.7) |
| Cystitis | 15 824 (2.1) | Immunization — all types | 25 115 (2.5) |
| Immunization — all types | 15 502 (2.1) | Lumbar strain, lumbago, coccydynia, sciatica | 16 550 (1.7) |
↵* Mental health = anxiety, neurosis, hysteria, neurasthenia, obsessive compulsive neurosis, reactive depression.
↵† Gastrointestinal symptoms = anorexia, nausea and vomiting, heartburn, dysphagia, hiccup, hematemesis, jaundice, ascites, abdominal pain, melena, masses.
↵‡ Musculoskeletal symptoms other than back pain = leg cramps, leg pain, muscle pain, joint pain, arthralgia, joint swelling, masses.