2026 ICD-10-CM Diagnosis Code S80.01XSContusion of right knee, sequela
S80.01XS is a billable ICD-10-CM diagnosis code for contusion of right knee, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 604 through 605. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.
Code Identity
Code Classification
Present on Admission (POA)Billing
S80.01XS is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the knee and lower leg (S80-S89).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Contusion of medial femoral condyle
- Contusion of right knee
- Contusion of right lateral femoral condyle
- Contusion of right medial femoral condyle
- Contusion of right patella
- Contusion of right thigh
- Contusion of thigh
- Disorder of right patella
- Hematoma of right knee region
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Superficial injury of knee and lower leg (S80). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Bruises
A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood vessels but does not break the skin. Those vessels break open and leak blood under the skin.
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Convert S80.01XS to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S80.01XSOverview
What is the ICD-10 code for contusion of right knee, sequela?
The ICD-10-CM code for contusion of right knee, sequela is S80.01XS (sometimes written as S8001XS). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is S80.01XS (Contusion of right knee) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report contusion of right knee, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in S80.01XS mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the contusion of right knee itself has resolved, not the original event.
What MS-DRG does S80.01XS group to?
When contusion of right knee, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 604, 605, with relative weights from 0.9160 to 1.4721 depending on complications. Higher weights mean higher Medicare reimbursement.
Is S80.01XS exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for contusion of right knee, sequela on inpatient claims. The code appears in the Injuries to the knee and lower leg (S80-S89) range of the CMS exempt list.
