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W16.41XA ICD-10-CM Code: Fall into unspecified water causing drowning and submersion, initial encounter

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Fall into unspecified water causing drowning and submersion, initial encounter is a billable ICD-10-CM diagnosis code (W16.41A).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for W16.41XA in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Frequently Compared Codes

The official Excludes notes on W16.41XA name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

  • Principal-diagnosis restriction. External cause of morbidity codes (V, W, X and Y) describe the circumstance that caused an injury, not the condition treated. The Medicare Code Editor rejects them as a principal diagnosis; sequence the injury or condition first and report this code as secondary.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Relationships & Classification

Other codes that name W16.41XA or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

8 Excludes1 notes: V90 (via W16.-), V92 (via W16.-), W65 (via W16.-), W65-W74 (via W16.-), W67 (via W16.-), W69 (via W16.-), W73 (via W16.-), W74 (via W16.-).

1 Use Additional Code instructions: W21.4 (via W16.-).

Clinical classification (AHRQ CCSR):EXT002 — External cause codes: drowning/submersion; initial encounter; EXT020 — External cause codes: intent of injury, accidental/unintentional.

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical categories (External cause codes: drowning/submersion; initial encounter, External cause codes: intent of injury, accidental/unintentional).

W16.021A — Fall into swimming pool striking bottom causing drowning and submersion, initial encounter, W16.031A — Fall into swimming pool striking wall causing drowning and submersion, initial encounter, W16.111A — Fall into natural body of water striking water surface causing drowning and submersion, initial encounter, W16.121A — Fall into natural body of water striking bottom causing drowning and submersion, initial encounter, W16.131A — Fall into natural body of water striking side causing drowning and submersion, initial encounter, W16.211A — Fall in (into) filled bathtub causing drowning and submersion, initial encounter, W16.221A — Fall in (into) bucket of water causing drowning and submersion, initial encounter, W16.311A — Fall into other water striking water surface causing drowning and submersion, initial encounter, W16.321A — Fall into other water striking bottom causing drowning and submersion, initial encounter, W16.331A — Fall into other water striking wall causing drowning and submersion, initial encounter, W16.511A — Jumping or diving into swimming pool striking water surface causing drowning and submersion, initial encounter, W16.521A — Jumping or diving into swimming pool striking bottom causing drowning and submersion, initial encounter, W16.531A — Jumping or diving into swimming pool striking wall causing drowning and submersion, initial encounter, W16.611A — Jumping or diving into natural body of water striking water surface causing drowning and submersion, initial encounter, W16.621A — Jumping or diving into natural body of water striking bottom causing drowning and submersion, initial encounter, W16.711A — Jumping or diving from boat striking water surface causing drowning and submersion, initial encounter, W16.721A — Jumping or diving from boat striking bottom causing drowning and submersion, initial encounter, W16.811A — Jumping or diving into other water striking water surface causing drowning and submersion, initial encounter, W16.821A — Jumping or diving into other water striking bottom causing drowning and submersion, initial encounter, W16.831A — Jumping or diving into other water striking wall causing drowning and submersion, initial encounter, +2307 more

Contextual Map

Every relationship of W16.41XA in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • V00-Y99 — Chapter 20: External Causes of Morbidity (V00-Y99) (V00-Y99) [Hierarchy]
  • W00-X58 — Other external causes of accidental injury [Hierarchy]
  • W00-W19 — Slipping, tripping, stumbling and falls [Hierarchy]

Referenced by Excludes1 notes

  • V90 — Drowning and submersion due to accident to watercraft [Excludes1](via W16.-): “fall into water not from watercraft (W16.-)” · check together
  • V92 — Drowning and submersion due to accident on board watercraft, without accident to watercraft [Excludes1](via W16.-): “fall into water without watercraft (W16.-)” · check together
  • W65 — Accidental drowning and submersion while in bath-tub [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together
  • W65-W74 — Accidental non-transport drowning and submersion (W65-W74) [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together
  • W67 — Accidental drowning and submersion while in swimming-pool [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together
  • W69 — Accidental drowning and submersion while in natural water [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together
  • W73 — Other specified cause of accidental non-transport drowning and submersion [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together
  • W74 — Unspecified cause of accidental drowning and submersion [Excludes1](via W16.-): “accidental drowning and submersion due to fall into water (W16.-)” · check together

Referenced by Use Additional Code instructions

  • W21.4 — Striking against diving board [Use Additional Code](via W16.-): “code for subsequent falling into water, if applicable (W16.-)” · check together

Clinical classification (CCSR)

  • EXT002 — External cause codes: drowning/submersion; initial encounter [CCSR]
  • EXT020 — External cause codes: intent of injury, accidental/unintentional [CCSR]

Nearest codes (40)

  • W16 — Fall, jump or diving into water [Sibling]
  • W16.32 — Fall into other water striking bottom [Sibling]
  • W16.321 — Fall into other water striking bottom causing drowning and submersion [Sibling]
  • W16.321A — Fall into other water striking bottom causing drowning and submersion, initial encounter [Sibling]
  • W16.321D — Fall into other water striking bottom causing drowning and submersion, subsequent encounter [Sibling]
  • W16.321S — Fall into other water striking bottom causing drowning and submersion, sequela [Sibling]
  • W16.322 — Fall into other water striking bottom causing other injury [Sibling]
  • W16.322A — Fall into other water striking bottom causing other injury, initial encounter [Sibling]
  • and 32 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Does W16.41XA require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category W16.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to W16.41XA in its code family, with their registry titles.

  • W16.332A — Fall into other water striking wall causing other injury, initial encounter
  • W16.332D — Fall into other water striking wall causing other injury, subsequent encounter
  • W16.332S — Fall into other water striking wall causing other injury, sequela
  • W16.4 — Fall into unspecified water
  • W16.41 — Fall into unspecified water causing drowning and submersion
  • W16.41XD — Fall into unspecified water causing drowning and submersion, subsequent encounter
  • W16.41XS — Fall into unspecified water causing drowning and submersion, sequela
  • W16.42 — Fall into unspecified water causing other injury
  • W16.42XA — Fall into unspecified water causing other injury, initial encounter
  • W16.42XD — Fall into unspecified water causing other injury, subsequent encounter

View all codes in the W16 family