2026 ICD-10-CM Diagnosis Code T83.592SInfection and inflammatory reaction due to indwelling ureteral stent, sequela

ICD-10-CM Codes›S00–T88›T80-T88›T83

ICD-10-CM T83.592S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T83.592S is a billable ICD-10-CM diagnosis code for infection and inflammatory reaction due to indwelling ureteral stent, 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 of ureteral stent. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication, sequela.

Code Identity

ICD-10-CM Code
T83.592S
Billable Status
Yes — Valid for Submission
Code Describes
Infection and inflammatory reaction due to indwelling ureteral stent, sequela
Short Description
I/I react d/t indwelling ureteral stent, sequela
Parent Code
T83.592
Infection and inflammatory reaction due to indwelling ureteral stent

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 CodeT83.592SInfection and inflammatory reaction due to indwelling ureteral stent, sequela

Present on Admission (POA)Billing

T83.592S 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 of ureteral stent

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 T83.592S 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 T83.592S 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 T83.592SOverview

Is T83.592S a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report infection and inflammatory reaction due to indwelling ureteral stent, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in T83.592S 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 indwelling ureteral stent itself has resolved, not the original event.

What MS-DRG does T83.592S group to?

When infection and inflammatory reaction due to indwelling ureteral stent, 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 T83.592S 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 indwelling ureteral stent, sequela on inpatient claims.

What is the ICD-9 equivalent of T83.592S?

Under the General Equivalence Mappings, infection and inflammatory reaction due to indwelling ureteral stent, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.