2026 ICD-10-CM Diagnosis Code Z49Encounter for care involving renal dialysis

ICD-10-CM Codes›Z00–Z99›Z40-Z53›Z49

ICD-10-CM Z49
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z49 is a non-billable ICD-10-CM category code for encounter for care involving renal dialysis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z49.01, Z49.02, Z49.31, and Z49.32.

Code Identity

ICD-10-CM Code
Z49
Billable Status
No — Non-Billable Category
Code Describes
Encounter for care involving renal dialysis
Chapter
Z40-Z53
Encounters for other specific health care

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ40-Z53Encounters for other specific health care
CategoryZ49Encounter for care involving renal dialysis
This CodeZ49Encounter for care involving renal dialysis

Specific Coding for Encounter for care involving renal dialysisOverview

Non-specific codes like Z49 require more characters. Use one of these billable codes instead:

  • Z49.0 for Preparatory care for renal dialysis

  • Use Z49.01 for Encounter for fitting and adjustment of extracorporeal dialysis catheter

  • Use Z49.02 for Encounter for fitting and adjustment of peritoneal dialysis catheter

  • Z49.3 for Encounter for adequacy testing for dialysis

  • Use Z49.31 for Encounter for adequacy testing for hemodialysis

  • Use Z49.32 for Encounter for adequacy testing for peritoneal dialysis

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Code Also

  • associated end stage renal disease N18.6

Patient EducationClinical

Dialysis

When your kidneys are healthy, they clean your blood. They also make hormones that keep your bones strong and your blood healthy. When your kidneys fail, you need treatment to replace the work your kidneys used to do. Unless you have a kidney transplant, you will need a treatment called dialysis.

Read the full article at MedlinePlus

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

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 Z49Overview

Is Z49 (Encounter for care involving renal dialysis) a billable code?

No. This is a category header that groups the codes for encounter for care involving renal dialysis, and headers cannot be submitted on claims. Claims for encounter for care involving renal dialysis need a more specific code from this category, such as Z49.01, Z49.02, and Z49.31.