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)

Last Revised: August 29, 2019