2026 ICD-10-CM Diagnosis Code T83.590SInfection and inflammatory reaction due to implanted urinary neurostimulation device, sequela
T83.590S is a billable ICD-10-CM diagnosis code for infection and inflammatory reaction due to implanted urinary neurostimulation 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
T83.590S 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 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.
Convert T83.590S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code History & ChangesHistory
Replacement T83.590S replaces the following previously assigned code(s):
- T83.59XS - Infect/inflm react d/t prosth dev/grft in urinry sys, sqla
Questions About T83.590SOverview
Is T83.590S a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report infection and inflammatory reaction due to implanted urinary neurostimulation device, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in T83.590S 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 implanted urinary neurostimulation device itself has resolved, not the original event.
What MS-DRG does T83.590S group to?
When infection and inflammatory reaction due to implanted urinary neurostimulation 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 T83.590S 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 implanted urinary neurostimulation device, sequela on inpatient claims.
What is the ICD-9 equivalent of T83.590S?
Under the General Equivalence Mappings, infection and inflammatory reaction due to implanted urinary neurostimulation 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.
