Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y92.821

    Forest as the place of occurrence of the external cause

  • Y92.828

    Other wilderness area as the place of occurrence of the external cause

  • Y92.83

    Recreation area as the place of occurrence of the external cause

  • Y92.830

    Public park as the place of occurrence of the external cause

  • Y92.831

    Amusement park as the place of occurrence of the external cause

  • Y92.832

    Beach as the place of occurrence of the external cause

  • Y92.833

    Campsite as the place of occurrence of the external cause

  • Y92.834

    Zoological garden (Zoo) as the place of occurrence of the external cause

  • Y92.838

    Other recreation area as the place of occurrence of the external cause

  • Y92.84

    Military training ground as the place of occurrence of the external cause

  • Y92.85

    Railroad track as the place of occurrence of the external cause

  • Y92.86

    Slaughter house as the place of occurrence of the external cause

  • Y92.89

    Other specified places as the place of occurrence of the external cause

  • Y92.9

    Unspecified place or not applicable

  • Y93

    Activity codes

  • Y93.0

    Activities involving walking and running

  • Y93.01

    Activity, walking, marching and hiking

  • Y93.02

    Activity, running

  • Y93.1

    Activities involving water and water craft

  • Y93.11

    Activity, swimming

  • Y93.12

    Activity, springboard and platform diving

  • Y93.13

    Activity, water polo

  • Y93.14

    Activity, water aerobics and water exercise

  • Y93.15

    Activity, underwater diving and snorkeling

  • Y93.16

    Activity, rowing, canoeing, kayaking, rafting and tubing

  • Y93.17

    Activity, water skiing and wake boarding

  • Y93.18

    Activity, surfing, windsurfing and boogie boarding

  • Y93.19

    Activity, other involving water and watercraft

  • Y93.2

    Activities involving ice and snow

  • Y93.21

    Activity, ice skating

  • Y93.22

    Activity, ice hockey

  • Y93.23

    Activity, snow (alpine) (downhill) skiing, snowboarding, sledding, tobogganing and snow tubing

  • Y93.24

    Activity, cross country skiing

  • Y93.29

    Activity, other involving ice and snow

  • Y93.3

    Activities involving climbing, rappelling and jumping off

  • Y93.31

    Activity, mountain climbing, rock climbing and wall climbing

  • Y93.32

    Activity, rappelling

  • Y93.33

    Activity, BASE jumping

  • Y93.34

    Activity, bungee jumping

  • Y93.35

    Activity, hang gliding

  • Y93.39

    Activity, other involving climbing, rappelling and jumping off

  • Y93.4

    Activities involving dancing and other rhythmic movement

  • Y93.41

    Activity, dancing

  • Y93.42

    Activity, yoga

  • Y93.43

    Activity, gymnastics

  • Y93.44

    Activity, trampolining

  • Y93.45

    Activity, cheerleading

  • Y93.49

    Activity, other involving dancing and other rhythmic movements

  • Y93.5

    Activities involving other sports and athletics played individually

  • Y93.51

    Activity, roller skating (inline) and skateboarding

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