Z49 Encounter for care involving renal dialysis

The ICD-10-CM code for Encounter for care involving renal dialysis is Z49 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

21: Factors influencing health status and contact with health services (Z00-Z99)

Section

Z40-Z53: Encounters for other specific health care (Z40-Z53)

Category Z49

7 codes (4 billable)

FY2026 Status

Stable since FY2024

Official Coding Guidelines

Aftercare: Z code categories generally used for aftercare

The aftercare codes are generally found in the following categories: Z42 Encounter for plastic and reconstructive surgery following medical procedure or healed injury Z43 Encounter for attention to artificial openings Z44 Encounter for fitting and adjustment of external prosthetic device Z45 Encounter for adjustment and management of implanted device Z46 Encounter for fitting and adjustment of other devices Z47 Orthopedic aftercare Z48 Encounter for other postprocedural aftercare Z49 Encounter for care involving renal dialysis Z51 Encounter for other aftercare and medical care

Used with any code in range A00.0-T88.9, Z00-Z99

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool