Table 3

 Incorrect coding by E-code group

E-code groupRecords% Correct (95% CI)% Error in 1st 4 digits (95% CI)% Error in location code (5th digit) only (95% CI)
Unintentional
E880–888Falls50773 (69–77)18 (15–22)9 (7–11)
E916–928Other accidents37075 (71–80)19 (15–23)6 (4–9)
E870–879Medical injury24268 (62–74)17 (13–22)15 (11–20)
E930–949
E810–819Motor vehicle traffic crash15781 (74–86)17 (12–23)3 (1–6)
E800–807Other transport9170 (60–79)22 (15–32)8 (4–15)
E820–848Various12672 (64–79)22 (16–30)6 (3–11)
Intentional
E960–969Homicide/Assault8678 (68–85)20 (13–29)2 (1–8)
E950–959Suicide/Self-inflicted8388 (79–93)1 (0–7)11 (6–19)