Acquired deformity of forearm
Acquired forearm deformity
Deformity of wrist due to rheumatoid arthritis
Rheumatoid wrist deformity
M21.939 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM M21.939 became effective on October 1, 2022.
This is the American ICD-10-CM version of M21.939 – other international versions of ICD-10 M21.939 may differ.