ICD-10-CM M79.643 is the diagnosis code for Pain in unspecified hand. This code falls under the section "Other soft tissue disorders" 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 M79.643 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M79.643 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M79.643 is the ICD-10-CM diagnosis code for "Pain in unspecified hand". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M79.643 is M79.64 ("Pain in hand and fingers"). M79.643 provides a more specific classification within this category.
M79.643 is located in Section M70-M79 — "Other soft tissue disorders" within Chapter 13 of the ICD-10-CM Tabular List.
Use M79.643 when the patients documented diagnosis matches "Pain in unspecified hand" 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 Pain in unspecified hand is M79.643.
Yes, M79.643 can be used as a primary diagnosis code since it is billable and specific.
M79.643 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M79.643 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.