W03.XXXD
Other fall on same level due to collision with another person, subsequent encounter
W03.XXXD (also written W03XXXD) is a billable ICD-10-CM diagnosis code for other fall on same level due to collision with another person, subsequent encounter. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 3 codes in category W03 (Other fall on same level due to collision with another person). Its 7th character, D, means subsequent encounter. Its coding notes include 10 Excludes1 entries and 3 Excludes2 entries.
7th character
Category W03 requires a 7th character. W03 has only 3 characters, so a placeholder X fills the empty positions.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
An external cause code is never a principal or first-listed diagnosis. Its 7th character is assigned for each encounter and should match the injury or condition code.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Also from chapter/block level (5 notes)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inclusion terms
Conditions classified to this code.
- Fall due to non-transport collision with other person
Notes
Also from chapter/block level (1 note)
- This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.