W13 ICD-10-CM Code: Fall from, out of or through building or structure
W13 is the authoritative medical code for Fall from, out of or through building or structure. This classification is used in medical billing and clinical recording to specify the clinical criteria for fall from, out of or through building or structure (ICD-10-CM W13), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for W13 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- at risk for fall (history of fall) Z91.81
- fall (in) (from) burning building (X00.-)
- fall into fire (X00-X04, X08)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can W13 be billed directly?
No. W13 (Fall from, out of or through building or structure) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does W13 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category W13; A: initial encounter; D: subsequent encounter; S: sequela.
What can't be coded together with W13?
Per official ICD-10-CM Excludes1 instructions, W13 must not be reported together with: 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).
Can W13 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, W13 and the following are not considered part of each other and may both be reported when both conditions are present: at risk for fall (history of fall) Z91.81; fall (in) (from) burning building (X00.-); fall into fire (X00-X04, X08).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to W13 in its code family, with their registry titles.
- W13.0 — Fall from, out of or through balcony
- W13.0XXA — Fall from, out of or through balcony, initial encounter
- W13.0XXD — Fall from, out of or through balcony, subsequent encounter
- W13.0XXS — Fall from, out of or through balcony, sequela
- W13.1 — Fall from, out of or through bridge
- W13.1XXA — Fall from, out of or through bridge, initial encounter
- W13.1XXD — Fall from, out of or through bridge, subsequent encounter
- W13.1XXS — Fall from, out of or through bridge, sequela
- W13.2 — Fall from, out of or through roof
- W13.2XXA — Fall from, out of or through roof, initial encounter
- W13.2XXD — Fall from, out of or through roof, subsequent encounter
- W13.2XXS — Fall from, out of or through roof, sequela
- W13.3 — Fall through floor
- W13.3XXA — Fall through floor, initial encounter
- W13.3XXD — Fall through floor, subsequent encounter
- W13.3XXS — Fall through floor, sequela
- W13.4 — Fall from, out of or through window
- W13.4XXA — Fall from, out of or through window, initial encounter
- W13.4XXD — Fall from, out of or through window, subsequent encounter
- W13.4XXS — Fall from, out of or through window, sequela
- W13.8 — Fall from, out of or through other building or structure
- W13.8XXA — Fall from, out of or through other building or structure, initial encounter
- W13.8XXD — Fall from, out of or through other building or structure, subsequent encounter
- W13.8XXS — Fall from, out of or through other building or structure, sequela
- W13.9 — Fall from, out of or through building, not otherwise specified
- W13.9XXA — Fall from, out of or through building, not otherwise specified, initial encounter
- W13.9XXD — Fall from, out of or through building, not otherwise specified, subsequent encounter
- W13.9XXS — Fall from, out of or through building, not otherwise specified, sequela