V99.XXXD ICD-10-CM Code: Unspecified transport accident, subsequent encounter
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for V99.XXXD in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- vehicle accident, type of vehicle unspecified (V89.-) Compare V99.XXXD vs V89 →
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Billable — reportable as written.
- Principal-diagnosis restriction. External cause of morbidity codes (V, W, X and Y) describe the circumstance that caused an injury, not the condition treated. The Medicare Code Editor rejects them as a principal diagnosis; sequence the injury or condition first and report this code as secondary.
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Contextual Map
Every relationship of V99.XXXD in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Hierarchy
- V99 — Unspecified transport accident [Hierarchy]
Clinical classification (CCSR)
- EXT029 — External cause codes: subsequent encounter [CCSR]
Nearest codes
Relationships & Classification
Clinical classification (AHRQ CCSR):EXT029 — External cause codes: subsequent encounter.
Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.
Frequently Asked Questions (FAQ) & Clinical Guidance
Does V99.XXXD require a 7th character?
Yes. The appropriate 7th character is to be added to code V99.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to V99.XXXD in its code family, with their registry titles.