ICD-10 Coding for Anterior Cruciate Ligament Injury(M23.5, M23.521, M23.521C)

Learn about ICD-10 coding for anterior cruciate ligament injuries, including acute tears and chronic instability. Ensure accurate documentation and billing with our detailed guide.

Also known as:
ACL InjuryACL TearTorn ACL
Related ICD-10 Code Ranges

Complete code families applicable to Anterior Cruciate Ligament Injury

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
S83.511ASprain of anterior cruciate ligament of right knee, initial encounter
M23.521Chronic instability of right knee, anterior cruciate ligament

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information

Essential facts and insights aboutAnterior Cruciate Ligament Injury

Differential Codes

Alternative codes to consider when ruling out similar conditions

Sprain of anterior cruciate ligament of left knee, initial encounterS83.512A
Chronic instability of left knee, anterior cruciate ligamentM23.522

Documentation & Coding Risks

Avoid these common issues when documenting Anterior Cruciate Ligament Injury.

Failing to document the mechanism of injury.

Impact

Clinical: Inadequate clinical understanding of injury context., Regulatory: Non-compliance with coding standards., Financial: Potential for claim denials.

Mitigation

Always include a detailed description of how the injury occurred., Use external cause codes to supplement the primary diagnosis.

Using unspecified codes when laterality is known.

Impact

Reimbursement: May lead to claim denials or reduced reimbursement., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Reduces the accuracy of clinical data.

Mitigation

Always document and code the specific side of the injury.

Unspecified Laterality

Impact

Coding without specifying the side of the injury.

Mitigation

Implement mandatory fields for laterality in EHR systems.

Frequently Asked Questions