Billable / Specific Code
ICD-10-CM M20.019 is the diagnosis code for Mallet finger of unspecified finger(s). This code falls under the section "Other joint 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 M20.019 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M20.019 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M20.019 is the ICD-10-CM diagnosis code for "Mallet finger of unspecified finger(s)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M20.019 is M20.01 ("Mallet finger"). M20.019 provides a more specific classification within this category.
M20.019 is located in Section M20-M25 — "Other joint disorders" within Chapter 13 of the ICD-10-CM Tabular List.
Use M20.019 when the patients documented diagnosis matches "Mallet finger of unspecified finger(s)" 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 Mallet finger of unspecified finger(s) is M20.019.
Yes, M20.019 can be used as a primary diagnosis code since it is billable and specific.
M20.019 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M20.019 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.