Question 1

Is W73 a billable ICD-10 code?

Accepted Answer

Yes, W73 is a valid billable ICD-10-CM code for other specified cause of accidental non-transport drowning and submersion. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code W73 mean?

Accepted Answer

ICD-10-CM code W73 represents Other specified cause of accidental non-transport drowning and submersion. 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 W73 introduced?

Accepted Answer

Code W73 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 W73?

Accepted Answer

The parent category for W73 is section:W65-W74 (Accidental non-transport drowning and submersion (W65-W74)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from W73?

Accepted Answer

Code W73 has Type 1 Excludes (mutually exclusive conditions) including: accidental drowning and submersion due to fall into other water (W16.311, W16.321, W16.331). These conditions cannot be coded together with W73 as they represent different diagnoses.

Question 6

Does W73 require a 7th character extension?

Accepted Answer

Yes, W73 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., W73XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

W73.XXXS2026

Excludes13Not coded together

Excludes21Not included here

Notes3Additional information

Also Known As1Alternative terms

7th Character Extensions3Encounter type specifiers

Excluded By6Codes that exclude this one