2026 ICD-10-CM Diagnosis Code T83.428ADisplacement of other prosthetic devices, implants and grafts of genital tract, initial encounter

ICD-10-CM Codes›S00–T88›T80-T88›T83

ICD-10-CM T83.428A
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T83.428A is a billable ICD-10-CM diagnosis code for displacement of other prosthetic devices, implants and grafts of genital tract, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 698 through 700. Coders also document this condition as testicular prosthesis displacement. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication of genitourinary device, implant or graft, initial encounter.

Code Identity

ICD-10-CM Code
T83.428A
Billable Status
Yes — Valid for Submission
Code Describes
Displacement of other prosthetic devices, implants and grafts of genital tract, initial encounter
Short Description
Displacement of prosth dev/implnt/grft of genitl trct, init
Parent Code
T83.428
Displacement of other prosthetic devices, implants and grafts of genital tract

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 CodeT83.428ADisplacement of other prosthetic devices, implants and grafts of genital tract, initial encounter

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Testicular prosthesis displacement

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 INJ034
Complication of genitourinary device, implant or graft, initial encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert T83.428A to ICD-9-CMHistory

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

ICD-9-CM
996.39 Malfunc gu dev/graft NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About T83.428AOverview

Is T83.428A a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report displacement of other prosthetic devices, implants and grafts of genital tract, initial encounter on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character A in T83.428A mean?

The final character A marks the initial encounter: use it while the patient is receiving active treatment for displacement of other prosthetic devices, implants and grafts of genital tract, such as an emergency visit or first evaluation.

What MS-DRG does T83.428A group to?

When displacement of other prosthetic devices, implants and grafts of genital tract, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 698, 699, 700, with relative weights from 0.6899 to 1.6544 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of T83.428A?

Under the General Equivalence Mappings, displacement of other prosthetic devices, implants and grafts of genital tract, initial encounter converts to ICD-9-CM 996.39 (malfunc gu dev/graft NEC). The mapping is approximate, so confirm the match fits the documentation.