M21.94 - Unspecified acquired deformity of hand

Version 2023
ICD-10:M21.94
Short Description:Unspecified acquired deformity of hand
Long Description:Unspecified acquired deformity of hand
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)
      • Other acquired deformities of limbs (M21)

M21.94 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 unspecified acquired deformity of hand. 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.

Unspecified diagnosis codes like M21.94 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Unspecified acquired deformity of hand

Non-specific codes like M21.94 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 unspecified acquired deformity of hand:

  • BILLABLE CODE - Use M21.941 for Unspecified acquired deformity of hand, right hand
  • BILLABLE CODE - Use M21.942 for Unspecified acquired deformity of hand, left hand
  • BILLABLE CODE - Use M21.949 for Unspecified acquired deformity of hand, unspecified hand

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


Hand Injuries and Disorders

No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.

Hand problems include :


[Learn More in MedlinePlus]

Code History