Unspecified transport accident (V99) ICD-10-CM
The V99 code range covers unspecified transport accident 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 V99
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 V99 Range 4 codes · 3 billable
About the V99 Code Range
The ICD-10 code V99 and its extensions are used to classify an unspecified transport accident, covering incidents on roads where the exact nature of the accident is not detailed. These codes categorize the accident circumstances and the stage of medical care, whether it is the initial treatment, a follow-up, or complications resulting from the accident.
Specifically, V99.XXXA represents the initial encounter after an unspecified transport accident, which may include events such as loss of control of a motor vehicle, excessive speed, driver inattention or fatigue, or mechanical failure. The subsequent encounter code V99.XXXD is used when the patient is receiving care related to the accident after the initial treatment. The sequela code V99.XXXS refers to conditions that arise as a direct result of the earlier transport accident. Using these specific codes helps medical professionals and coders accurately document transport-related injuries when details are unclear, ensuring the appropriate reporting of incidents like a “transport accident” or various “accidents due to driver factors.”
Questions About This Page
How many billable codes are in the V99 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 V99 range classify?
The range classifies unspecified transport accident. 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.
