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W56.82XA ICD-10-CM Code: Struck by other nonvenomous marine animals, initial encounter

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

Official Registry Overview & Definition

Struck by other nonvenomous marine animals, initial encounter is a billable ICD-10-CM diagnosis code (W56.82A).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for W56.82XA 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).

Frequently Compared Codes

The official Excludes notes on W56.82XA 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 W56.82XA 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.

1 Excludes1 notes: W55 (via W56.-).

Clinical classification (AHRQ CCSR):EXT011 — External cause codes: natural/environment; 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: natural/environment; initial encounter, External cause codes: intent of injury, accidental/unintentional).

W56.12XA — Struck by sea lion, initial encounter, W56.19XA — Other contact with sea lion, initial encounter, W56.22XA — Struck by orca, initial encounter, W56.29XA — Other contact with orca, initial encounter, W56.32XA — Struck by other marine mammals, initial encounter, W56.39XA — Other contact with other marine mammals, initial encounter, W56.42XA — Struck by shark, initial encounter, W56.49XA — Other contact with shark, initial encounter, W56.52XA — Struck by other fish, initial encounter, W56.59XA — Other contact with other fish, initial encounter, W56.89XA — Other contact with other nonvenomous marine animals, initial encounter, W58.02XA — Struck by alligator, initial encounter, W58.03XA — Crushed by alligator, initial encounter, W58.09XA — Other contact with alligator, initial encounter, W58.12XA — Struck by crocodile, initial encounter, W58.13XA — Crushed by crocodile, initial encounter, W58.19XA — Other contact with crocodile, initial encounter, W59.02XA — Struck by nonvenomous lizards, initial encounter, W59.09XA — Other contact with nonvenomous lizards, initial encounter, W59.12XA — Struck by nonvenomous snake, initial encounter, +2297 more

Contextual Map

Every relationship of W56.82XA 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]
  • W50-W64 — Exposure to animate mechanical forces [Hierarchy]

Referenced by Excludes1 notes

  • W55 — Contact with other mammals [Excludes1](via W56.-): “contact with marine mammals (W56.-)” · check together

Clinical classification (CCSR)

  • EXT011 — External cause codes: natural/environment; initial encounter [CCSR]
  • EXT020 — External cause codes: intent of injury, accidental/unintentional [CCSR]

Nearest codes (40)

  • W56 — Contact with nonvenomous marine animal [Sibling]
  • W56.39XD — Other contact with other marine mammals, subsequent encounter [Sibling]
  • W56.39XS — Other contact with other marine mammals, sequela [Sibling]
  • W56.4 — Contact with shark [Sibling]
  • W56.41 — Bitten by shark [Sibling]
  • W56.41XA — Bitten by shark, initial encounter [Sibling]
  • W56.41XD — Bitten by shark, subsequent encounter [Sibling]
  • W56.41XS — Bitten by shark, sequela [Sibling]
  • and 32 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Does W56.82XA require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category W56.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to W56.82XA in its code family, with their registry titles.

  • W56.81 — Bitten by other nonvenomous marine animals
  • W56.81XA — Bitten by other nonvenomous marine animals, initial encounter
  • W56.81XD — Bitten by other nonvenomous marine animals, subsequent encounter
  • W56.81XS — Bitten by other nonvenomous marine animals, sequela
  • W56.82 — Struck by other nonvenomous marine animals
  • W56.82XD — Struck by other nonvenomous marine animals, subsequent encounter
  • W56.82XS — Struck by other nonvenomous marine animals, sequela
  • W56.89 — Other contact with other nonvenomous marine animals
  • W56.89XA — Other contact with other nonvenomous marine animals, initial encounter
  • W56.89XD — Other contact with other nonvenomous marine animals, subsequent encounter

View all codes in the W56 family