ICD-10 Diagnosis Code Y21.4XXA

Drown in natural water, undetermined intent, init

Diagnosis Code Y21.4XXA

ICD-10: Y21.4XXA
Short Description: Drown in natural water, undetermined intent, init
Long Description: Drowning and submersion in natural water, undetermined intent, initial encounter
This is the 2017 version of the ICD-10-CM diagnosis code Y21.4XXA

Valid for Submission
The code Y21.4XXA is valid for submission for HIPAA-covered transactions.

Code Classification
  • External causes of morbidity and mortality (V01–Y98)
    • Event of undetermined intent (Y21-Y33)
      • Drowning and submersion, undetermined intent (Y21)

Information for Patients


People drown when they get too much water in their lungs. You can drown in as little as an inch or two of water. Babies can drown in a sink or bathtub. Preschoolers are most likely to drown in a swimming pool. People who have seizure disorders are also at risk in the water. Drowning can happen quickly and silently.

Drowning precautions should include

  • Fences around pools
  • Supervising children near any body of water, including tubs
  • Not swimming or boating when under the influence of alcohol or sedatives
  • Wearing life jackets when boating
  • Learning CPR

  • Near drowning

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