M20.3 - Hallux varus (acquired)

Version 2023
ICD-10:M20.3
Short Description:Hallux varus (acquired)
Long Description:Hallux varus (acquired)
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other joint disorders (M20-M25)
      • Acquired deformities of fingers and toes (M20)

M20.3 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 hallux varus (acquired). 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.

Clinical Information

Specific Coding for Hallux varus (acquired)

Non-specific codes like M20.3 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 hallux varus (acquired):

  • BILLABLE CODE - Use M20.30 for Hallux varus (acquired), unspecified foot
  • BILLABLE CODE - Use M20.31 for Hallux varus (acquired), right foot
  • BILLABLE CODE - Use M20.32 for Hallux varus (acquired), left foot

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Patient Education


Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

Ill-fitting shoes often cause these problems. Aging and being overweight also increase your chances of having foot problems.


[Learn More in MedlinePlus]

Toe Injuries and Disorders

Fourteen of the 26 bones in your feet are in your toes. The toes, particularly your big toe, help you move and keep your balance. Playing sports, running, stubbing your toe, and dropping something on your foot can damage your toes. Wearing shoes that are too loose or too tight can also cause toe problems. Certain diseases, such as severe arthritis, can cause toe problems and pain. Gout often causes pain in the big toe.

Common toe problems include :

Treatments for toe injuries and disorders vary. They might include shoe inserts or special shoes, padding, taping, medicines, rest, and in severe cases, surgery.


[Learn More in MedlinePlus]

Code History