2026 ICD-10-CM Diagnosis Code T82.129SDisplacement of unspecified cardiac electronic device, sequela
T82.129S is a billable ICD-10-CM diagnosis code for displacement of unspecified cardiac electronic device, 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
T82.129S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
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
Pacemakers and Implantable Defibrillators
An arrhythmia is any disorder of your heart rate or rhythm. It means that your heart beats too quickly, too slowly, or with an irregular pattern. Most arrhythmias result from problems in the electrical system of the heart. If your arrhythmia is serious, you may need a cardiac pacemaker or an implantable cardioverter defibrillator (ICD).
Read the full article at MedlinePlus
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Convert T82.129S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About T82.129SOverview
Is T82.129S (Displacement of unspecified cardiac electronic device) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report displacement of unspecified cardiac electronic device, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in T82.129S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the displacement of unspecified cardiac electronic device itself has resolved, not the original event.
What MS-DRG does T82.129S group to?
When displacement of unspecified cardiac electronic device, 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 T82.129S 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 displacement of unspecified cardiac electronic device, sequela on inpatient claims.
What is the ICD-9 equivalent of T82.129S?
Under the General Equivalence Mappings, displacement of unspecified cardiac electronic device, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.
