2026 ICD-10-CM Diagnosis Code T86.19Other complication of kidney transplant

ICD-10-CM Codes›S00–T88›T80-T88›T86

ICD-10-CM T86.19
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T86.19 is a billable ICD-10-CM diagnosis code for other complication of kidney transplant. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 673 through 675, 698 through 700. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication of transplanted organs or tissue, initial encounter.

Code Identity

ICD-10-CM Code
T86.19
Billable Status
Yes — Valid for Submission
Code Describes
Other complication of kidney transplant
Short Description
Other complication of kidney transplant
Same as the full description in the CMS dataset.
Parent Code
T86.1
Complications of kidney transplant

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionT80-T88Complications of surgical and medical care, not elsewhere classified
CategoryT86Complications of transplanted organs and tissue
This CodeT86.19Other complication of kidney transplant

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Absent renal function
  • Acute graft-versus-host disease
  • Acute graft-versus-host disease following transplant of kidney
  • Acute on chronic graft versus host disease following transplant of kidney
  • Acute on chronic graft-versus-host disease
  • Chronic graft-versus-host disease
  • Chronic graft-versus-host disease following kidney transplant
  • Chronic tubulointerstitial nephritis following renal transplantation
  • De novo glomerulonephritis
  • De novo thrombotic microangiopathy following transplant of kidney
  • De novo transplant disease
  • Delayed renal graft function
  • Disorder due to grafting procedure
  • Graft-versus-host disease following transplant of kidney
  • Lymphocele
  • Lymphocele after surgical procedure
  • Lymphoproliferative disorder following kidney transplant
  • Neoplasm following transplantation of kidney
  • Perfusion injury of renal transplant
  • Perirenal and periureteric post-transplant lymphocele
  • Postprocedural lymphocele
  • Post-renal transplant vesicoureteric reflux
  • Post-surgical vesicoureteric reflux
  • Pre-existing disease in renal transplant
  • Primary non-function of renal transplant
  • Recurrent glomerulonephritis following transplantation of kidney
  • Transplant glomerulopathy
  • Transplant glomerulopathy - early form
  • Transplant glomerulopathy - late form
  • Transplant renal artery stenosis
  • Unexplained episode of renal transplant dysfunction

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Complications of transplanted organs and tissue (T86). 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.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Complication(s) (from) (of)
      • transplant
        • kidney
          • specified type NEC

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ036
Complication of transplanted organs or tissue, initial encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Lymphocele

    cystic mass containing lymph from diseased lymphatic channels or following surgical trauma or other injury.

  • Grade 1 Lymphocele, CTCAE|Grade 1 Lymphocele|Grade 1 Lymphocele

    asymptomatic; clinical or diagnostic observations only; intervention not indicated

  • Grade 2 Lymphocele, CTCAE|Grade 2 Lymphocele|Grade 2 Lymphocele

    symptomatic; medical intervention indicated

  • Grade 3 Lymphocele, CTCAE|Grade 3 Lymphocele|Grade 3 Lymphocele

    severe symptoms; invasive intervention indicated

  • Lymphocele

    a cystic lesion containing lymph. it usually results from injury, gynecologic surgery, or urologic surgery.

  • Lymphocele, CTCAE|Lymphocele|Lymphocele|Lymphocele

    a disorder characterized by a cystic lesion containing lymph.

  • Microsphere-Mediated Lymphocele Prevention

    a surgical technique that uses microspheres at the site of a lymph node resection in an effort to prevent the formation of a lymphocele.

  • Renal Lymphocele|Kidney Lymphocele|Kidney Lymphocele

    encapsulated collection of lymphatic fluid around a transplanted kidney.

Patient EducationClinical

Kidney Transplantation

A kidney transplant is an operation that places a healthy kidney in your body. The transplanted kidney takes over the work of the two kidneys that failed, so you no longer need dialysis.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert T86.19 to ICD-9-CMHistory

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

ICD-9-CM
996.81 Compl kidney transplant
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 T86.19Overview

Is T86.19 (Complications of kidney transplant) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other complication of kidney transplant on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does T86.19 group to?

When other complication of kidney transplant is the principal diagnosis on an inpatient stay, it groups to MS-DRG 673, 674, 675, 698, 699, 700, with relative weights from 0.6899 to 4.2016 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of T86.19?

Under the General Equivalence Mappings, other complication of kidney transplant converts to ICD-9-CM 996.81 (compl kidney transplant). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.