Other bilateral secondary osteoarthritis of first carpometacarpal joints M18.4

The ICD10 code for the diagnosis "Other bilateral secondary osteoarthritis of first carpometacarpal joints" is "M18.4". M18.4 is a VALID/BILLABLE ICD10 code, i.e it is valid for submission for HIPAA-covered transactions.

• M18.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2019 edition of ICD-10-CM M18.4 became effective on October 1, 2018.
• This is the American ICD-10-CM version of M18.4 - other international versions of ICD-10 M18.4 may differ.

Codes: = Billable

• M18 Osteoarthritis of first carpometacarpal joint
  • M18.4 Other bilateral secondary osteoarthritis of first carpometacarpal joints

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.