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W18.43XA ICD-10-CM Code: Slipping, tripping and stumbling without falling due to stepping from one level to another, initial encounter

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

Official Registry Overview & Definition

Slipping, tripping and stumbling without falling due to stepping from one level to another, initial encounter is a billable ICD-10-CM diagnosis code (W18.43A).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for W18.43XA 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 W18.43XA 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 W18.43XA 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: W01 (via W18.4.-).

Clinical classification (AHRQ CCSR):EXT013 — External cause codes: overexertion; 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: overexertion; initial encounter, External cause codes: intent of injury, accidental/unintentional).

T73.3XXA — Exhaustion due to excessive exertion, initial encounter, W18.40XA — Slipping, tripping and stumbling without falling, unspecified, initial encounter, W18.41XA — Slipping, tripping and stumbling without falling due to stepping on object, initial encounter, W18.42XA — Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounter, W18.49XA — Other slipping, tripping and stumbling without falling, initial encounter, X50.0XXA — Overexertion from strenuous movement or load, initial encounter, X50.1XXA — Overexertion from prolonged static or awkward postures, initial encounter, X50.3XXA — Overexertion from repetitive movements, initial encounter, X50.9XXA — Other and unspecified overexertion or strenuous movements or postures, initial encounter, +2298 more

Contextual Map

Every relationship of W18.43XA 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

  • W01 — Fall on same level from slipping, tripping and stumbling [Excludes1](via W18.4.-): “slipping, tripping and stumbling without falling (W18.4-)” · check together

Clinical classification (CCSR)

  • EXT013 — External cause codes: overexertion; initial encounter [CCSR]
  • EXT020 — External cause codes: intent of injury, accidental/unintentional [CCSR]

Nearest codes (40)

  • W18 — Other slipping, tripping and stumbling and falls [Sibling]
  • W18.12XA — Fall from or off toilet with subsequent striking against object, initial encounter [Sibling]
  • W18.12XD — Fall from or off toilet with subsequent striking against object, subsequent encounter [Sibling]
  • W18.12XS — Fall from or off toilet with subsequent striking against object, sequela [Sibling]
  • W18.2 — Fall in (into) shower or empty bathtub [Sibling]
  • W18.2XXA — Fall in (into) shower or empty bathtub, initial encounter [Sibling]
  • W18.2XXD — Fall in (into) shower or empty bathtub, subsequent encounter [Sibling]
  • W18.2XXS — Fall in (into) shower or empty bathtub, sequela [Sibling]
  • and 32 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Does W18.43XA require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category W18.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to W18.43XA in its code family, with their registry titles.

  • W18.42 — Slipping, tripping and stumbling without falling due to stepping into hole or opening
  • W18.42XA — Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounter
  • W18.42XD — Slipping, tripping and stumbling without falling due to stepping into hole or opening, subsequent encounter
  • W18.42XS — Slipping, tripping and stumbling without falling due to stepping into hole or opening, sequela
  • W18.43 — Slipping, tripping and stumbling without falling due to stepping from one level to another
  • W18.43XD — Slipping, tripping and stumbling without falling due to stepping from one level to another, subsequent encounter
  • W18.43XS — Slipping, tripping and stumbling without falling due to stepping from one level to another, sequela
  • W18.49 — Other slipping, tripping and stumbling without falling
  • W18.49XA — Other slipping, tripping and stumbling without falling, initial encounter
  • W18.49XD — Other slipping, tripping and stumbling without falling, subsequent encounter

View all codes in the W18 family