S83.91XS
✓ Billable
Sprain of unspecified site of right knee, sequela
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S83.91XS
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S83.91XS?
ICD-10-CM code S83.91XS represents Sprain of unspecified site of right knee, sequela. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S83.91XS billable?
Yes. S83.91XS is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S83.91XS in?
S83.91XS belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S83 category
S83
Dislocation and sprain of joints and ligaments of knee
Non-billable
S83.0
Subluxation and dislocation of patella
Non-billable
S83.1
Subluxation and dislocation of knee
Non-billable
S83.2
Tear of meniscus, current injury
Non-billable
S83.3
Tear of articular cartilage of knee, current
Non-billable
S83.4
Sprain of collateral ligament of knee
Non-billable
S83.5
Sprain of cruciate ligament of knee
Non-billable
S83.6
Sprain of the superior tibiofibular joint and ligament
Non-billable
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