AutoICD API

X99.1

Non-billable

Assault by knife

Assault by knife

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

X92-Y09

Parent Code

X99

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • homicide
  • injuries inflicted by another person with intent to injure or kill, by any means

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • injuries due to legal intervention (Y35.-)
  • injuries due to operations of war (Y36.-)
  • injuries due to terrorism (Y38.-)
  • assault by strike by sports equipment (Y08.0-)

Child Codes (3)

X99.1XXA

Assault by knife, initial encounter

BillableX99.1XXD

Assault by knife, subsequent encounter

BillableX99.1XXS

Assault by knife, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for assault by knife?

The ICD-10-CM code for assault by knife is X99.1. The full clinical description is "Assault by knife". X99.1 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code X99.1 mean?

ICD-10-CM code X99.1 represents "Assault by knife". It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.

Is X99.1 a billable code?

No, X99.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under X99.1.

What chapter is X99.1 in?

X99.1 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with X99.1?

X99.1 has Excludes1 notes indicating codes that cannot be used together with it, including: injuries due to legal intervention (Y35.-); injuries due to operations of war (Y36.-); injuries due to terrorism (Y38.-); and 1 more.

What are the subcategories under X99.1?

X99.1 has 3 child codes, including: X99.1XXA (Assault by knife, initial encounter), X99.1XXD (Assault by knife, subsequent encounter), X99.1XXS (Assault by knife, sequela).

What are the UMLS CUIs for X99.1?

X99.1 is linked to 1 UMLS Concept Unique Identifier: C2905950. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.