ICD-10-CM Codes for ED Visit Subset
Inclusive of any visit that includes one of the following diagnosis codes in any field OR one of the external cause of injury codes in any field.
Table 1: Diagnosis Codes*
| S00-S99 | Anatomic injuries |
| T07-T34 | Foreign bodies, burns, corrosions, frostbite |
| T36-T50 with a 6th character of 1, 2, 3, or 4 Note: Include T36.9, T37.9, T39.9, T41.4, T42.7, T43.9, T45.9, T47.9, and T49.9 with 5th character of 1, 2, 3, or 4) (Intent information for these codes is included in the 5th character and not the 6th) |
Poisoning by drugs, medicaments, and biological substances (Includes accidental, intentional self-harm, assault, and underdetermined intents. Excludes adverse effects and underdosing) |
| T51-T65 | Toxic effects of substances nonmedicinal as to source |
| T66-T76 | Other and unspecified effects of external causes |
| T79 | Certain early complications of trauma, not elsewhere classified |
| O9A.2-O9A.5 | Traumatic injuries and abuse complicating pregnancy, childbirth, and the puerperium |
| T84.04** | Periprosthetic fracture around internal prosthetic joint |
| M97** | Periprosthetic fracture around internal prosthetic joint |
*7th character of A, B, C, or missing (reflects initial encounter, active treatment). T30-T32 do not have a 7th character.
** T84.04 was retired and replaced by M97 in the FY2017 version of ICD-10-CM which went into effect on Oct 1, 2016.
Table 2: External cause of injury codes*
| V00-V99 | Transport accidents |
| W00-X58 | Other external causes of accidental injury |
| X71-X83 | Intentional self-harm |
| X92-Y09 | Assault |
| Y21-Y33 | Event of undetermined intent |
| Y35-Y38 | Legal intervention, operations of war, military operations, and terrorism |
*7th character of A or missing (reflects initial encounter, active treatment)