Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y93.E5

    Activity, floor mopping and cleaning

  • Y93.E6

    Activity, residential relocation

  • Y93.E8

    Activity, other personal hygiene

  • Y93.E9

    Activity, other interior property and clothing maintenance

  • Y93.F1

    Activity, caregiving, bathing

  • Y93.F2

    Activity, caregiving, lifting

  • Y93.F9

    Activity, other caregiving

  • Y93.G1

    Activity, food preparation and clean up

  • Y93.G2

    Activity, grilling and smoking food

  • Y93.G3

    Activity, cooking and baking

  • Y93.G9

    Activity, other involving cooking and grilling

  • Y93.H1

    Activity, digging, shoveling and raking

  • Y93.H2

    Activity, gardening and landscaping

  • Y93.H3

    Activity, building and construction

  • Y93.H9

    Activity, other involving exterior property and land maintenance, building and construction

  • Y93.I1

    Activity, roller coaster riding

  • Y93.I9

    Activity, other involving external motion

  • Y93.J1

    Activity, piano playing

  • Y93.J2

    Activity, drum and other percussion instrument playing

  • Y93.J3

    Activity, string instrument playing

  • Y93.J4

    Activity, winds and brass instrument playing

  • Y93.K1

    Activity, walking an animal

  • Y93.K2

    Activity, milking an animal

  • Y93.K3

    Activity, grooming and shearing an animal

  • Y93.K9

    Activity, other involving animal care

  • Y93.L1

    Activity, splitting wood

  • Y93.L9

    Activity, other outdoor activity

  • Y95

    Nosocomial condition

  • Y99.0

    Civilian activity done for income or pay

  • Y99.1

    Military activity

  • Y99.2

    Volunteer activity

  • Y99.8

    Other external cause status

  • Y99.9

    Unspecified external cause status

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