2026 ICD-10-CM Diagnosis Code T85.698SOther mechanical complication of other specified internal prosthetic devices, implants and grafts, sequela
T85.698S is a billable ICD-10-CM diagnosis code for other mechanical complication of other specified internal prosthetic devices, implants and grafts, 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
T85.698S 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.
- Airway device cuff overinflated
- Airway device cuff problem
- Airway device cuff underinflated
- Blocked catheter
- Deflation of tissue expander
- Dislocation of ossicular prosthesis
- Disorder of pancreatic stent
- Equipment problem
- Finding of respiratory device
- Fractured maxillofacial prosthesis
- Fractured orthodontic appliance
- Fractured orthodontic appliance component
- Loosening of prosthesis
- Migration of implant or internal device
- Obstruction of pancreatic stent
- Orthodontic appliance finding
- Orthodontic appliance loose
- Orthodontic band fallen off
- Orthodontic bracket fallen off
- Pancreatic duct obstruction
- Rupture of tissue expander
- Tissue expander disorder
- Ventilation tube blocked
- Ventilation tube finding
- Ventilation tube obscured by wax
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Complications of other internal prosthetic devices, implants and grafts (T85). 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.
Convert T85.698S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About T85.698SOverview
Is T85.698S a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other mechanical complication of other specified internal prosthetic devices, implants and grafts, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in T85.698S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the other mechanical complication of other specified internal prosthetic devices, implants and grafts itself has resolved, not the original event.
What MS-DRG does T85.698S group to?
When other mechanical complication of other specified internal prosthetic devices, implants and grafts, 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 T85.698S 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 other mechanical complication of other specified internal prosthetic devices, implants and grafts, sequela on inpatient claims.
What is the ICD-9 equivalent of T85.698S?
Under the General Equivalence Mappings, other mechanical complication of other specified internal prosthetic devices, implants and grafts, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.
