Contact with blunt object, undetermined intent (Y29) ICD-10-CM
The Y29 code range covers contact with blunt object, undetermined intent with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
- The appropriate 7th character is to be added to code Y29
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
- A - initial encounter
- D - subsequent encounter
- S - sequela
Codes in the Y29 Range 4 codes · 3 billable
About the Y29 Code Range
The ICD-10 code Y29 describes injuries caused by contact with a blunt object where the intent behind the injury is not known. This code and its variations help healthcare providers record and classify blunt force injuries when it is unclear whether they were accidental or intentional.
The section includes codes for different stages of treatment: Y29.XXXA covers the initial encounter, Y29.XXXD is for subsequent encounters, and Y29.XXXS is used when there are residual effects or complications (sequela). These codes apply to a variety of blunt injuries, such as those to the eye, thorax, back, or abdomen, often referred to as blunt injury or blunt trauma. By providing specific codes for undetermined intent, the ICD-10 coding system allows accurate medical documentation and reporting for cases where the cause of blunt force injury cannot be confirmed as accidental or intentional. This also aids in proper data analysis and resource allocation for such injuries.
Questions About This Page
How many billable codes are in the Y29 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Y29 range classify?
The range classifies contact with blunt object, undetermined intent. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
