Correct and incorrect coding summary
| Principal diagnosis | % of total coded (95% CI) | E-code | % of total coded (95% CI) | |
|---|---|---|---|---|
| Correct | 1579 | 95 (93–96) | 1238 | 74 (72–76) |
| Correct to 4 digit level, 5th digit incorrect | 9 | 0 (0–1) | 131 | 8 (7–9) |
| Correct to 3 digit level, 4th digit incorrect | 20 | 1 (1–2) | 57 | 3 (3–4) |
| Correct to group level, 2nd or 3rd digit incorrect | 26 | 2 (1–2) | 168 | 10 (9–12) |
| Incorrect at group level | 36 | 2 (2–3) | 76 | 5 (4–6) |
| Total coded | 1670 | 1670 |