W16
Non-Billable

Fall, jump or diving into water

Non-Billable / Non-Specific Code

What is Fall, jump or diving into water?

ICD-10-CM W16 is the diagnosis code for Fall, jump or diving into water. This code falls under the section "Slipping, tripping, stumbling and falls" within Chapter 20 — External causes of morbidity (V00-Y99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for W16

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as W16. They are mutually exclusive:

  • 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)

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in W16. If the patient has both, code each condition separately:

  • striking or hitting diving board (W21.4)

ICD-10-CM Code Hierarchy

Understanding where W16 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
W16.0Fall into swimming poolNon-BillableW16.01Fall into swimming pool striking water surfaceNon-BillableW16.011Fall into swimming pool striking water surface causing drowning and submersionBillableW16.012Fall into swimming pool striking water surface causing other injuryBillableW16.02Fall into swimming pool striking bottomNon-BillableW16.021Fall into swimming pool striking bottom causing drowning and submersionBillableW16.022Fall into swimming pool striking bottom causing other injuryBillableW16.03Fall into swimming pool striking wallNon-BillableW16.031Fall into swimming pool striking wall causing drowning and submersionBillableW16.032Fall into swimming pool striking wall causing other injuryBillableW16.1Fall into natural body of waterNon-BillableW16.11Fall into natural body of water striking water surfaceNon-BillableW16.111Fall into natural body of water striking water surface causing drowning and submersionBillableW16.112Fall into natural body of water striking water surface causing other injuryBillableW16.12Fall into natural body of water striking bottomNon-BillableW16.121Fall into natural body of water striking bottom causing drowning and submersionBillableW16.122Fall into natural body of water striking bottom causing other injuryBillableW16.13Fall into natural body of water striking sideNon-BillableW16.131Fall into natural body of water striking side causing drowning and submersionBillableW16.132Fall into natural body of water striking side causing other injuryBillableW16.2Fall in (into) filled bathtub or bucket of waterNon-BillableW16.21Fall in (into) filled bathtubNon-BillableW16.211Fall in (into) filled bathtub causing drowning and submersionBillableW16.212Fall in (into) filled bathtub causing other injuryBillableW16.22Fall in (into) bucket of waterNon-BillableW16.221Fall in (into) bucket of water causing drowning and submersionBillableW16.222Fall in (into) bucket of water causing other injuryBillableW16.3Fall into other waterNon-BillableW16.31Fall into other water striking water surfaceNon-BillableW16.311Fall into other water striking water surface causing drowning and submersionBillableW16.312Fall into other water striking water surface causing other injuryBillableW16.32Fall into other water striking bottomNon-BillableW16.321Fall into other water striking bottom causing drowning and submersionBillableW16.322Fall into other water striking bottom causing other injuryBillableW16.33Fall into other water striking wallNon-BillableW16.331Fall into other water striking wall causing drowning and submersionBillableW16.332Fall into other water striking wall causing other injuryBillableW16.4Fall into unspecified waterNon-BillableW16.41Fall into unspecified water causing drowning and submersionBillableW16.42Fall into unspecified water causing other injuryBillableW16.5Jumping or diving into swimming poolNon-BillableW16.51Jumping or diving into swimming pool striking water surfaceNon-BillableW16.511Jumping or diving into swimming pool striking water surface causing drowning and submersionBillableW16.512Jumping or diving into swimming pool striking water surface causing other injuryBillableW16.52Jumping or diving into swimming pool striking bottomNon-BillableW16.521Jumping or diving into swimming pool striking bottom causing drowning and submersionBillableW16.522Jumping or diving into swimming pool striking bottom causing other injuryBillableW16.53Jumping or diving into swimming pool striking wallNon-BillableW16.531Jumping or diving into swimming pool striking wall causing drowning and submersionBillableW16.532Jumping or diving into swimming pool striking wall causing other injuryBillableW16.6Jumping or diving into natural body of waterNon-BillableW16.61Jumping or diving into natural body of water striking water surfaceNon-BillableW16.611Jumping or diving into natural body of water striking water surface causing drowning and submersionBillableW16.612Jumping or diving into natural body of water striking water surface causing other injuryBillableW16.62Jumping or diving into natural body of water striking bottomNon-BillableW16.621Jumping or diving into natural body of water striking bottom causing drowning and submersionBillableW16.622Jumping or diving into natural body of water striking bottom causing other injuryBillableW16.7Jumping or diving from boatNon-BillableW16.71Jumping or diving from boat striking water surfaceNon-BillableW16.711Jumping or diving from boat striking water surface causing drowning and submersionBillableW16.712Jumping or diving from boat striking water surface causing other injuryBillableW16.72Jumping or diving from boat striking bottomNon-BillableW16.721Jumping or diving from boat striking bottom causing drowning and submersionBillableW16.722Jumping or diving from boat striking bottom causing other injuryBillableW16.8Jumping or diving into other waterNon-BillableW16.81Jumping or diving into other water striking water surfaceNon-BillableW16.811Jumping or diving into other water striking water surface causing drowning and submersionBillableW16.812Jumping or diving into other water striking water surface causing other injuryBillableW16.82Jumping or diving into other water striking bottomNon-BillableW16.821Jumping or diving into other water striking bottom causing drowning and submersionBillableW16.822Jumping or diving into other water striking bottom causing other injuryBillableW16.83Jumping or diving into other water striking wallNon-BillableW16.831Jumping or diving into other water striking wall causing drowning and submersionBillableW16.832Jumping or diving into other water striking wall causing other injuryBillableW16.9Jumping or diving into unspecified waterNon-BillableW16.91Jumping or diving into unspecified water causing drowning and submersionBillableW16.92Jumping or diving into unspecified water causing other injuryBillable
Related Codes

Frequently Asked Questions

Is W16 a billable ICD-10-CM code?

No, W16 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does W16 mean?

W16 is the ICD-10-CM diagnosis code for "Fall, jump or diving into water". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is W16 in?

W16 is located in Section W00-W19 — "Slipping, tripping, stumbling and falls" within Chapter 20 of the ICD-10-CM Tabular List.

What are the sub-codes of W16?

W16 has 10 sub-code(s) that provide more specific detail: W16.0, W16.1, W16.2, W16.3, W16.4 and more.

When should I use W16?

Use W16 when the patients documented diagnosis matches "Fall, jump or diving into water" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Fall, jump or diving into water?

The ICD-10-CM code for Fall, jump or diving into water is W16.

Can W16 be used for primary diagnosis?

No, W16 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is W16 in?

W16 is in Chapter 20 of the ICD-10-CM Tabular List.

What conditions are excluded from W16?

Type 1 Excludes for W16 include: 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) and more.

Is W16 valid for 2026?

Yes, W16 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousW15Fall from cliffNext →W16.0Fall into swimming pool
Code Details
W16
Fall, jump or diving into water
Non-Billable / Non-Specific Code
20 — External causes of morbidity (V00-Y99)
W00-W19 — Slipping, tripping, stumbling and falls
2026 ICD-10-CM