Billable / Specific Code
ICD-10-CM S80.249 is the diagnosis code for External constriction, unspecified 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 S80.249 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S80.249 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S80.249 is the ICD-10-CM diagnosis code for "External constriction, unspecified knee". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S80.249 is S80.24 ("External constriction of knee"). S80.249 provides a more specific classification within this category.
S80.249 is located in Section S80-S89 — "Injuries to the knee and lower leg" within Chapter 19 of the ICD-10-CM Tabular List.
S80.249 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use S80.249 when the patients documented diagnosis matches "External constriction, unspecified 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 External constriction, unspecified knee is S80.249.
Yes, S80.249 can be used as a primary diagnosis code since it is billable and specific.
S80.249 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S80.249 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.