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ICD-10-CM External Causes of Injury Index — O

Look up how an injury occurred. External cause codes are secondary codes; they never appear as the principal diagnosis.

31 entries. An entry marked — has no code of its own; follow "see" to the listed term. An unmarked entry without a code is a heading for the entries beneath it.

TermCode
Object
Object, falling
Object, falling, from, in, on, hitting
Object, falling, from, in, on, hitting, machinery — see Contact, with, by type of machine—
Object, set in motion by
Object, set in motion by, accidental explosion or rupture of pressure vesselW38
Object, set in motion by, firearm — see Discharge, firearm, by type—
Object, set in motion by, machine (ry) — see Contact, with, by type of machine—
Overdose (drug) — see Table of Drugs and Chemicals—
Overdose (drug), radiationY63.2
OverexertionX50.9
Overexertion, from
Overexertion, from, prolonged static or awkward posturesX50.1
Overexertion, from, repetitive movementsX50.3
Overexertion, from, specified strenuous movements or postures NECX50.9
Overexertion, from, strenuous movement or loadX50.0
Overexposure (accidental) (to)
Overexposure (accidental) (to), cold — see also Exposure, coldX31
Overexposure (accidental) (to), cold, due to man-made conditions — see Exposure, cold, man-made—
Overexposure (accidental) (to), heat — see also HeatX30
Overexposure (accidental) (to), radiation — see Radiation—
Overexposure (accidental) (to), radioactivityW88.0
Overexposure (accidental) (to), sun (sunburn)X32
Overexposure (accidental) (to), weather NEC — see Forces of nature—
Overexposure (accidental) (to), wind NEC — see Forces of nature—
Overheated — see Heat—
Overturning (accidental)
Overturning (accidental), machinery — see Contact, with, by type of machine—
Overturning (accidental), transport vehicle NEC — see also Accident, transportV89.9
Overturning (accidental), watercraft (causing drowning, submersion) — see also Drowning, due to, accident to, watercraft, overturning—
Overturning (accidental), watercraft (causing drowning, submersion), causing injury except drowning or submersion — see Accident, watercraft, causing, injury NEC—

Back to External Causes Index

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