ICD-10-CM External Causes of Injury Index — U
Look up how an injury occurred. External cause codes are secondary codes; they never appear as the principal diagnosis.
51 entries. An unmarked entry without a code is a heading for the entries beneath it.
| Term | Code |
|---|---|
| Underdosing of necessary drugs, medicaments or biological substances | Y63.6 |
| Undetermined intent (contact) (exposure) | |
| Undetermined intent (contact) (exposure), automobile collision | Y32 |
| Undetermined intent (contact) (exposure), blunt object | Y29 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in) | Y21.9 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), bathtub | Y21.0 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), bathtub, after fall | Y21.1 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), natural water (lake) (ocean) (pond) (river) (stream) | Y21.4 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), specified place NEC | Y21.8 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), swimming pool | Y21.2 |
| Undetermined intent (contact) (exposure), drowning (submersion) (in), swimming pool, after fall | Y21.3 |
| Undetermined intent (contact) (exposure), explosive material | Y25 |
| Undetermined intent (contact) (exposure), fall, jump or push from high place | Y30 |
| Undetermined intent (contact) (exposure), falling, lying or running before moving object | Y31 |
| Undetermined intent (contact) (exposure), fire | Y26 |
| Undetermined intent (contact) (exposure), firearm discharge | Y24.9 |
| Undetermined intent (contact) (exposure), firearm discharge, airgun (BB) (pellet) | Y24.0 |
| Undetermined intent (contact) (exposure), firearm discharge, handgun (pistol) (revolver) | Y22 |
| Undetermined intent (contact) (exposure), firearm discharge, hunting rifle | Y23.1 |
| Undetermined intent (contact) (exposure), firearm discharge, larger | Y23.9 |
| Undetermined intent (contact) (exposure), firearm discharge, larger, hunting rifle | Y23.1 |
| Undetermined intent (contact) (exposure), firearm discharge, larger, machine gun | Y23.3 |
| Undetermined intent (contact) (exposure), firearm discharge, larger, military | Y23.2 |
| Undetermined intent (contact) (exposure), firearm discharge, larger, shotgun | Y23.0 |
| Undetermined intent (contact) (exposure), firearm discharge, larger, specified type NEC | Y23.8 |
| Undetermined intent (contact) (exposure), firearm discharge, machine gun | Y23.3 |
| Undetermined intent (contact) (exposure), firearm discharge, military | Y23.2 |
| Undetermined intent (contact) (exposure), firearm discharge, shotgun | Y23.0 |
| Undetermined intent (contact) (exposure), firearm discharge, specified type NEC | Y24.8 |
| Undetermined intent (contact) (exposure), firearm discharge, Very pistol | Y24.8 |
| Undetermined intent (contact) (exposure), hot object | Y27.9 |
| Undetermined intent (contact) (exposure), hot object, fluid NEC | Y27.2 |
| Undetermined intent (contact) (exposure), hot object, household appliance | Y27.3 |
| Undetermined intent (contact) (exposure), hot object, specified object NEC | Y27.8 |
| Undetermined intent (contact) (exposure), hot object, steam | Y27.0 |
| Undetermined intent (contact) (exposure), hot object, tap water | Y27.1 |
| Undetermined intent (contact) (exposure), hot object, vapor | Y27.0 |
| Undetermined intent (contact) (exposure), jump, fall or push from high place | Y30 |
| Undetermined intent (contact) (exposure), lying, falling or running before moving object | Y31 |
| Undetermined intent (contact) (exposure), motor vehicle crash | Y32 |
| Undetermined intent (contact) (exposure), push, fall or jump from high place | Y30 |
| Undetermined intent (contact) (exposure), running, falling or lying before moving object | Y31 |
| Undetermined intent (contact) (exposure), sharp object | Y28.9 |
| Undetermined intent (contact) (exposure), sharp object, dagger | Y28.2 |
| Undetermined intent (contact) (exposure), sharp object, glass | Y28.0 |
| Undetermined intent (contact) (exposure), sharp object, knife | Y28.1 |
| Undetermined intent (contact) (exposure), sharp object, specified object NEC | Y28.8 |
| Undetermined intent (contact) (exposure), sharp object, sword | Y28.2 |
| Undetermined intent (contact) (exposure), smoke | Y26 |
| Undetermined intent (contact) (exposure), specified event NEC | Y33 |
| Use of hand as hammer | X50.3 |
Read from: CMS/CDC ICD-10-CM release files (tabular list, order file, addenda) — FY2027. All data sources · How to read the labels
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources