2026 ICD-10-CM Diagnosis Code T83.598SInfection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela

ICD-10-CM Codes›S00–T88›T80-T88›T83

ICD-10-CM T83.598S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T83.598S is a billable ICD-10-CM diagnosis code for infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, 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. Coders also document this condition as infection and inflammatory reaction due to prosthetic device, implant and graft in urinary system. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication, sequela.

Code Identity

ICD-10-CM Code
T83.598S
Billable Status
Yes — Valid for Submission
Code Describes
Infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela
Short Description
I/I react d/t other prosth dev/grft urn sys, sequela
Parent Code
T83.598
Infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionT80-T88Complications of surgical and medical care, not elsewhere classified
CategoryT83Complications of genitourinary prosthetic devices, implants and grafts
This CodeT83.598SInfection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela

Present on Admission (POA)Billing

T83.598S 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.

  • Infection and inflammatory reaction due to prosthetic device, implant and graft in urinary system
  • Inflammation associated with genitourinary device

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Complications of genitourinary prosthetic devices, implants and grafts (T83). 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.

CCSR INJ076
Complication, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert T83.598S to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
909.3 Late eff surg/med compl
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement T83.598S replaces the following previously assigned code(s):

  • T83.59XS - Infect/inflm react d/t prosth dev/grft in urinry sys, sqla
FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About T83.598SOverview

Is T83.598S a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in T83.598S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system itself has resolved, not the original event.

What MS-DRG does T83.598S group to?

When infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, 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 T83.598S 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 infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela on inpatient claims.

What is the ICD-9 equivalent of T83.598S?

Under the General Equivalence Mappings, infection and inflammatory reaction due to other prosthetic device, implant and graft in urinary system, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.