ICD10BillableValid for clinical use

ICD-10 Code Y00: Assault by blunt object

Y00 is a billable ICD-10 diagnosis code used to classify Assault by blunt object in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

When is it used?

  • May be used when a clinician documents assault by blunt object in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
20External causes of morbidity (V00-Y99)
block
X92-Y09Assault
currentX92-Y09

Official coding notes

Excludes1 (do not code together)
  • assault by strike by sports equipment (Y08.0-)
7th character notes
  • The appropriate 7th character is to be added to code Y00
  • initial encounter
  • subsequent encounter
  • sequela

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Y00

Common synonyms

Assault by blunt object

Frequently asked questions

Code details

CodeY00
SystemICD10
Display nameAssault by blunt object
ChapterExternal causes of morbidity (V00-Y99)
BlockAssault

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Y00 for Assault by blunt object | HealthAssure