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

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

37 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
Hailstones, injured byX39.8
Hanged herself or himselfT71.162
Hanging (accidental) — see alsoT71.16
Hanging (accidental), legal execution — see Legal, intervention, specified means NEC—
Heat (effects of) (excessive)X30
Heat (effects of) (excessive), due to
Heat (effects of) (excessive), due to, man-made conditionsW92
Heat (effects of) (excessive), due to, man-made conditions, on board watercraftV93.29
Heat (effects of) (excessive), due to, man-made conditions, on board watercraft, fishing boatV93.22
Heat (effects of) (excessive), due to, man-made conditions, on board watercraft, merchant shipV93.20
Heat (effects of) (excessive), due to, man-made conditions, on board watercraft, passenger shipV93.21
Heat (effects of) (excessive), due to, man-made conditions, on board watercraft, sailboatV93.24
Heat (effects of) (excessive), due to, man-made conditions, on board watercraft, specified powered craft NECV93.23
Heat (effects of) (excessive), due to, weather (conditions)X30
Heat (effects of) (excessive), from
Heat (effects of) (excessive), from, electric heating apparatus causing burningX16
Heat (effects of) (excessive), from, nuclear explosion in war operations — see War operations, nuclear weapons—
Heat (effects of) (excessive), inappropriate in local application or packing in medical or surgical procedureY63.5
Hemorrhage
Hemorrhage, delayed following medical or surgical treatment without mention of misadventure — see Index to Diseases and Injuries, Complication(s)—
Hemorrhage, during medical or surgical treatment as misadventure — see Index to Diseases and Injuries, Complication(s)—
High
High, altitude (effects) — see Air, pressure, low—
High, level of radioactivity, effects — see Radiation—
High, pressure (effects) — see Air, pressure, high—
High, temperature, effects — see Heat—
Hit, hittingby (accidental) — see Struck by—
Hitting against — see Striking against—
Homicide (attempt) (justifiable) — see Assault—
Hot
Hot, place, effects — see also Heat—
Hot, weather, effectsX30
House fire (uncontrolled) — see Exposure, fire, uncontrolled, building—
Humidity, causing problemX39.8
HungerX58
Hurricane (any injury)X37.0
Hypobarism, hypobaropathy — see Air, pressure, low—

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