2021

  1. ICD-10-CM Codes
    2. ›
  2. V00-Y99 External causes of morbidity
    3. ›
  3. W00-W19 Slipping, tripping, stumbling and falls
    4. ›
  4. W16- Fall, jump or diving into water
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code W16.021

2021 ICD-10-CM Diagnosis Code W16.021

Fall into swimming pool striking bottom causing drowning and submersion

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • W16.021 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Fall into swimming pool striking bottom causing drown
  • The 2021 edition of ICD-10-CM W16.021 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of W16.021 - other international versions of ICD-10 W16.021 may differ.
ICD-10-CM Coding Rules
  • W16.021 describes the circumstance causing an injury, not the nature of the injury.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as W16.021. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • drowning and submersion while in swimming pool without fall (
    ICD-10-CM Diagnosis Code W67

    Accidental drowning and submersion while in swimming-pool

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • accidental drowning and submersion due to fall into swimming pool (W16.011, W16.021, W16.031)
    • accidental drowning and submersion due to striking into wall of swimming pool (W22.041)
    W67
    )
The following code(s) above W16.021 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to W16.021:
  • V00-Y99
    2021 ICD-10-CM Range V00-Y99

    External causes of morbidity

    Note
    • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.
    External causes of morbidity
  • W00-W19
    2021 ICD-10-CM Range W00-W19

    Slipping, tripping, stumbling and falls

    Type 1 Excludes
    • assault involving a fall (Y01-Y02)
    • fall from animal (V80.-)
    • fall (in) (from) machinery (in operation) (W28-W31)
    • fall (in) (from) transport vehicle (V01-V99)
    • intentional self-harm involving a fall (X80-X81)
    Type 2 Excludes
    • at risk for fall (history of fall) Z91.81
    • fall (in) (from) burning building (X00.-)
    • fall into fire (X00-X04, X08)
    Slipping, tripping, stumbling and falls
  • W16
    ICD-10-CM Diagnosis Code W16

    Fall, jump or diving into water

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • accidental non-watercraft drowning and submersion not involving fall (W65-W74)
    • effects of air pressure from diving (W94.-)
    • fall into water from watercraft (V90-V94)
    • hitting an object or against bottom when falling from watercraft (V94.0)
    Type 2 Excludes
    • striking or hitting diving board (W21.4)
    Fall, jump or diving into water
  • W16.0
    ICD-10-CM Diagnosis Code W16.0

    Fall into swimming pool

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Fall into swimming pool NOS
    Type 1 Excludes
    • fall into empty swimming pool (W17.3)
    Fall into swimming pool
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to W16.021:
  • Type 1 Excludes: W67
    ICD-10-CM Diagnosis Code W67

    Accidental drowning and submersion while in swimming-pool

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • accidental drowning and submersion due to fall into swimming pool (W16.011, W16.021, W16.031)
    • accidental drowning and submersion due to striking into wall of swimming pool (W22.041)

External Cause Index entries containing back-references to W16.021:
  • Drowning (accidental) W74
    ICD-10-CM Diagnosis Code W74

    Unspecified cause of accidental drowning and submersion

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Drowning NOS
    • following
      • fall
        • into
          • swimming-pool W16.011
            ICD-10-CM Diagnosis Code W16.011

            Fall into swimming pool striking water surface causing drowning and submersion

              2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
            Type 1 Excludes
            • drowning and submersion while in swimming pool without fall (W67)
    • in
      • swimming-pool W67
        ICD-10-CM Diagnosis Code W67

        Accidental drowning and submersion while in swimming-pool

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
        Type 1 Excludes
        • accidental drowning and submersion due to fall into swimming pool (W16.011, W16.021, W16.031)
        • accidental drowning and submersion due to striking into wall of swimming pool (W22.041)
        • following
          • fall W16.011
            ICD-10-CM Diagnosis Code W16.011

            Fall into swimming pool striking water surface causing drowning and submersion

              2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
            Type 1 Excludes
            • drowning and submersion while in swimming pool without fall (W67)
  • Fall, falling (accidental) W19
    ICD-10-CM Diagnosis Code W19

    Unspecified fall

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Accidental fall NOS
    • into
      • water W16.42
        ICD-10-CM Diagnosis Code W16.42

        Fall into unspecified water causing other injury

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
        • in
          • swimming pool W16.012
            ICD-10-CM Diagnosis Code W16.012

            Fall into swimming pool striking water surface causing other injury

              2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
            • striking
              • bottom W16.022
                ICD-10-CM Diagnosis Code W16.022

                Fall into swimming pool striking bottom causing other injury

                  2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
                • causing drowning W16.021
  • Striking against
    • bottom when
      • falling into water (in) W16.322
        ICD-10-CM Diagnosis Code W16.322

        Fall into other water striking bottom causing other injury

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
        • swimming pool W16.022
          ICD-10-CM Diagnosis Code W16.022

          Fall into swimming pool striking bottom causing other injury

            2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
          • causing drowning W16.021

ICD-10-CM Codes Adjacent To W16.021
W16.01 Fall into swimming pool striking water surface
W16.011 Fall into swimming pool striking water surface causing drowning and submersion
W16.011A …… initial encounter
W16.011D …… subsequent encounter
W16.011S …… sequela
W16.012 Fall into swimming pool striking water surface causing other injury
W16.012A …… initial encounter
W16.012D …… subsequent encounter
W16.012S …… sequela
W16.02 Fall into swimming pool striking bottom
W16.021 Fall into swimming pool striking bottom causing drowning and submersion
W16.021A …… initial encounter
W16.021D …… subsequent encounter
W16.021S …… sequela
W16.022 Fall into swimming pool striking bottom causing other injury
W16.022A …… initial encounter
W16.022D …… subsequent encounter
W16.022S …… sequela
W16.03 Fall into swimming pool striking wall
W16.031 Fall into swimming pool striking wall causing drowning and submersion
W16.031A …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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