2026 ICD-10-CM Diagnosis Code T82.03XSLeakage of heart valve prosthesis, sequela
T82.03XS is a billable ICD-10-CM diagnosis code for leakage of heart valve prosthesis, 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 922 through 923. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication, sequela.
Code Identity
Code Classification
Present on Admission (POA)Billing
T82.03XS is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Disorder of aortic valve prosthesis
- Disorder of mitral valve prosthesis
- Paraprosthetic aortic regurgitation
- Paraprosthetic mitral regurgitation
- Paraprosthetic pulmonary regurgitation
- Paraprosthetic tricuspid regurgitation
- Periprosthetic aortic valve regurgitation
- Postprocedural aortic valve regurgitation
- Postprocedural mitral valve regurgitation
- Prosthetic aortic valve regurgitation
- Prosthetic cardiac paravalvular leak
- Prosthetic cardiac valve regurgitation
- Prosthetic mitral valve regurgitation
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Complications of cardiac and vascular prosthetic devices, implants and grafts (T82). 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
Heart Valve Diseases
Heart valve disease happens when one or more of your heart valves don't work well.
The full article covers:
- What are heart valve diseases?
- What are the types of heart valve diseases?
- What causes heart valve diseases?
- Who is more likely to develop heart valve diseases?
- What are the symptoms of heart valve diseases?
- What other problems can heart valve diseases cause?
- How is heart valve disease diagnosed?
- What are the treatments for heart valve diseases?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert T82.03XS to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About T82.03XSOverview
Is T82.03XS (Leakage of heart valve prosthesis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report leakage of heart valve prosthesis, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in T82.03XS mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the leakage of heart valve prosthesis itself has resolved, not the original event.
What MS-DRG does T82.03XS group to?
When leakage of heart valve prosthesis, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 922, 923, with relative weights from 1.0177 to 1.7494 depending on complications. Higher weights mean higher Medicare reimbursement.
Is T82.03XS 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 leakage of heart valve prosthesis, sequela on inpatient claims.
What is the ICD-9 equivalent of T82.03XS?
Under the General Equivalence Mappings, leakage of heart valve prosthesis, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.
