2026 ICD-10-CM Diagnosis Code T83.721AExposure of implanted vaginal mesh into vagina, initial encounter

ICD-10-CM Codes›S00–T88›T80-T88›T83

ICD-10-CM T83.721A
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T83.721A is a billable ICD-10-CM diagnosis code for exposure of implanted vaginal mesh into vagina, 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 742 through 743, 760 through 761. Coders also document this condition as disorder associated with surgical mesh. 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
T83.721A
Billable Status
Yes — Valid for Submission
Code Describes
Exposure of implanted vaginal mesh into vagina, initial encounter
Short Description
Exposure of implanted vaginal mesh into vagina, init
Parent Code
T83.721
Exposure of implanted vaginal mesh into vagina

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 CodeT83.721AExposure of implanted vaginal mesh into vagina, initial encounter

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder associated with surgical mesh
  • Exposure of vaginal mesh implant into vagina

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 T83.721A to ICD-9-CMHistory

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

ICD-9-CM
629.32 Exp imp vag mesh-vagina
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 T83.721AOverview

Is T83.721A (Exposure of implanted vaginal mesh into vagina) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report exposure of implanted vaginal mesh into vagina, initial encounter on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character A in T83.721A mean?

The final character A marks the initial encounter: use it while the patient is receiving active treatment for exposure of implanted vaginal mesh into vagina, such as an emergency visit or first evaluation.

What MS-DRG does T83.721A group to?

When exposure of implanted vaginal mesh into vagina, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.5696 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of T83.721A?

Under the General Equivalence Mappings, exposure of implanted vaginal mesh into vagina, initial encounter converts to ICD-9-CM 629.32 (exp imp vag mesh-vagina). The mapping is approximate, so confirm the match fits the documentation.