ICD-10-CM S91.359 is the diagnosis code for Open bite, unspecified foot. This code falls under the section "Injuries to the ankle and foot" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). 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 S91.359 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S91.359 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S91.359 is the ICD-10-CM diagnosis code for "Open bite, unspecified foot". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S91.359 is S91.35 ("Open bite of foot"). S91.359 provides a more specific classification within this category.
S91.359 is located in Section S90-S99 — "Injuries to the ankle and foot" within Chapter 19 of the ICD-10-CM Tabular List.
Use S91.359 when the patients documented diagnosis matches "Open bite, unspecified foot" 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 Open bite, unspecified foot is S91.359.
Yes, S91.359 can be used as a primary diagnosis code since it is billable and specific.
S91.359 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S91.359 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.