2026 ICD-10-CM Diagnosis Code T85.898SOther specified complication of other internal prosthetic devices, implants and grafts, sequela
T85.898S is a billable ICD-10-CM diagnosis code for other specified complication of other 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
T85.898S 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.
- Alveolar bone loss
- Anaplastic large cell lymphoma, ALK negative
- Anastomotic necrosis of large intestine
- Anastomotic necrosis of small intestine
- Arterial insufficiency of flap
- Breast implant-associated anaplastic large-cell lymphoma
- Chronic anastomotic ulcer
- Composite graft failure
- Dental plaque on dental implant
- Dental plaque on tooth
- Dental plaque on tooth due to plaque retentive dental prosthesis
- Device adherence
- Device placement at incorrect location
- Drug implant site reaction
- Drug implant site rejection
- Duodenal anastomotic necrosis
- Extrinsic arterial compression of flap
- Extrinsic compression of artery
- Gastric anastomotic necrosis
- Gastric necrosis
- Gastrointestinal anastomotic necrosis
- Horizontal alveolar bone loss
- Horizontal alveolar bone loss surrounding dental implant
- Implant site erythema
- Implant site reaction
- Injury due to and following implantation of device
- Large cell anaplastic lymphoma T cell and null cell type
- Nervous system complication from surgically implanted device
- Ocular implant exposure
- Ocular implant extrusion
- Peri-implant oral soft tissue deficiency
- Retention of dental device
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.
Clinical InformationClinical
Alveolar Bone Loss
resorption or wasting of the tooth-supporting bone (alveolar process) in the maxilla or mandible.
Convert T85.898S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code History & ChangesHistory
Replacement T85.898S replaces the following previously assigned code(s):
- T85.89XS - Oth complication of internal prosth dev/grft, NEC, sequela
Questions About T85.898SOverview
Is T85.898S a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified complication of other 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 T85.898S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the other specified complication of other internal prosthetic devices, implants and grafts itself has resolved, not the original event.
What MS-DRG does T85.898S group to?
When other specified complication of other 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 T85.898S 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 specified complication of other internal prosthetic devices, implants and grafts, sequela on inpatient claims.
What is the ICD-9 equivalent of T85.898S?
Under the General Equivalence Mappings, other specified complication of other 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.
