Billable / Specific Code
ICD-10-CM S83.401 is the diagnosis code for Sprain of unspecified collateral ligament of right knee. This code falls under the section "Injuries to the knee and lower leg" 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 S83.401 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S83.401 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S83.401 is the ICD-10-CM diagnosis code for "Sprain of unspecified collateral ligament of right knee". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S83.401 is S83.40 ("Sprain of unspecified collateral ligament of knee"). S83.401 provides a more specific classification within this category.
S83.401 is located in Section S80-S89 — "Injuries to the knee and lower leg" within Chapter 19 of the ICD-10-CM Tabular List.
S83.401 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use S83.401 when the patients documented diagnosis matches "Sprain of unspecified collateral ligament of right knee" 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 Sprain of unspecified collateral ligament of right knee is S83.401.
Yes, S83.401 can be used as a primary diagnosis code since it is billable and specific.
S83.401 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S83.401 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.