W21.0 - Struck by hit or thrown ball

Version 2023
ICD-10:W21.0
Short Description:Struck by hit or thrown ball
Long Description:Struck by hit or thrown ball
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • External causes of morbidity and mortality (V01–Y98)
    • Exposure to inanimate mechanical forces (W20-W49)
      • Striking against or struck by sports equipment (W21)

W21.0 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of struck by hit or thrown ball. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Struck by hit or thrown ball

Non-specific codes like W21.0 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for struck by hit or thrown ball:

  • NON-BILLABLE CODE - W21.00 for Struck by hit or thrown ball, unspecified type
  • BILLABLE CODE - Use W21.00XA for initial encounter
  • BILLABLE CODE - Use W21.00XD for subsequent encounter
  • BILLABLE CODE - Use W21.00XS for sequela
  • NON-BILLABLE CODE - W21.01 for Struck by football
  • BILLABLE CODE - Use W21.01XA for initial encounter
  • BILLABLE CODE - Use W21.01XD for subsequent encounter
  • BILLABLE CODE - Use W21.01XS for sequela
  • NON-BILLABLE CODE - W21.02 for Struck by soccer ball
  • BILLABLE CODE - Use W21.02XA for initial encounter
  • BILLABLE CODE - Use W21.02XD for subsequent encounter
  • BILLABLE CODE - Use W21.02XS for sequela
  • NON-BILLABLE CODE - W21.03 for Struck by baseball
  • BILLABLE CODE - Use W21.03XA for initial encounter
  • BILLABLE CODE - Use W21.03XD for subsequent encounter
  • BILLABLE CODE - Use W21.03XS for sequela
  • NON-BILLABLE CODE - W21.04 for Struck by golf ball
  • BILLABLE CODE - Use W21.04XA for initial encounter
  • BILLABLE CODE - Use W21.04XD for subsequent encounter
  • BILLABLE CODE - Use W21.04XS for sequela
  • NON-BILLABLE CODE - W21.05 for Struck by basketball
  • BILLABLE CODE - Use W21.05XA for initial encounter
  • BILLABLE CODE - Use W21.05XD for subsequent encounter
  • BILLABLE CODE - Use W21.05XS for sequela
  • NON-BILLABLE CODE - W21.06 for Struck by volleyball
  • BILLABLE CODE - Use W21.06XA for initial encounter
  • BILLABLE CODE - Use W21.06XD for subsequent encounter
  • BILLABLE CODE - Use W21.06XS for sequela
  • NON-BILLABLE CODE - W21.07 for Struck by softball
  • BILLABLE CODE - Use W21.07XA for initial encounter
  • BILLABLE CODE - Use W21.07XD for subsequent encounter
  • BILLABLE CODE - Use W21.07XS for sequela
  • NON-BILLABLE CODE - W21.09 for Struck by other hit or thrown ball
  • BILLABLE CODE - Use W21.09XA for initial encounter
  • BILLABLE CODE - Use W21.09XD for subsequent encounter
  • BILLABLE CODE - Use W21.09XS for sequela

Patient Education


Sports Injuries

Exercising is good for you, but sometimes you can injure yourself when you play sports or exercise. Accidents, poor training practices, or improper gear can cause them. Some people get hurt because they are not in shape. Not warming up or stretching enough can also lead to injuries.

The most common sports injuries are:

If you get hurt, stop playing. Continuing to play or exercise can cause more harm. Treatment often begins with the RICE (Rest, Ice, Compression, and Elevation) method to relieve pain, reduce swelling, and speed healing. Other possible treatments include pain relievers, keeping the injured area from moving, rehabilitation, and sometimes surgery.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases


[Learn More in MedlinePlus]

Sports Safety

Playing sports can be fun, but it can also be dangerous if you are not careful. You can help prevent injuries by:

If you have already hurt yourself playing a sport, make sure you recover completely before you start up again. If possible, protect the injured part of your body with padding, a brace, or special equipment. When you do start playing again, start slowly.


[Learn More in MedlinePlus]

Code History