Question 1

Is W28 a billable ICD-10 code?

Accepted Answer

Yes, W28 is a valid billable ICD-10-CM code for contact with powered lawn mower. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code W28 mean?

Accepted Answer

ICD-10-CM code W28 represents Contact with powered lawn mower. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code W28 introduced?

Accepted Answer

Code W28 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code W28?

Accepted Answer

The parent category for W28 is section:W20-W49 (Exposure to inanimate mechanical forces (W20-W49)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from W28?

Accepted Answer

Code W28 has Type 1 Excludes (mutually exclusive conditions) including: contact with nonpowered lawn mower (W27.1). These conditions cannot be coded together with W28 as they represent different diagnoses.

Question 6

Does W28 require a 7th character extension?

Accepted Answer

Yes, W28 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., W28XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

W28.XXXA2026

Excludes15Not coded together

Excludes21Not included here

Notes2Additional information

Also Known As2Alternative terms

7th Character Extensions3Encounter type specifiers

Excluded By4Codes that exclude this one