ICD-10-CM M27 is the diagnosis code for Other diseases of jaws. This code falls under the section "Dentofacial anomalies [including malocclusion] and other disorders of jaw" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 M27 sits in the ICD-10-CM classification helps ensure proper coding:
No, M27 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M27 is the ICD-10-CM diagnosis code for "Other diseases of jaws". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M27 is located in Section M26-M27 — "Dentofacial anomalies [including malocclusion] and other disorders of jaw" within Chapter 13 of the ICD-10-CM Tabular List.
M27 has 9 sub-code(s) that provide more specific detail: M27.0, M27.1, M27.2, M27.3, M27.4 and more.
Use M27 when the patients documented diagnosis matches "Other diseases of jaws" 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 diseases of jaws is M27.
No, M27 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M27 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M27 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.