Billable / Specific Code
ICD-10-CM M05.839 is the diagnosis code for Other rheumatoid arthritis with rheumatoid factor of unspecified wrist. This code falls under the section "Inflammatory polyarthropathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where M05.839 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M05.839 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M05.839 is the ICD-10-CM diagnosis code for "Other rheumatoid arthritis with rheumatoid factor of unspecified wrist". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M05.839 is M05.83 ("Other rheumatoid arthritis with rheumatoid factor of wrist"). M05.839 provides a more specific classification within this category.
M05.839 is located in Section M05-M14 — "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.
Use M05.839 when the patients documented diagnosis matches "Other rheumatoid arthritis with rheumatoid factor of unspecified wrist" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other rheumatoid arthritis with rheumatoid factor of unspecified wrist is M05.839.
Yes, M05.839 can be used as a primary diagnosis code since it is billable and specific.
M05.839 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M05.839 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.