Encounter for care involving renal dialysis (Z49) ICD-10-CM
The Z49 code range covers encounter for care involving renal dialysis with 7 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.
- associated end stage renal disease N18.6
Codes in the Z49 Range 7 codes · 4 billable
- Z49 Encounter for care involving renal dialysisNon-billable
- Z49.0 Preparatory care for renal dialysisNon-billable
- Z49.01 Encounter for fitting and adjustment of extracorporeal dialysis catheter
- Z49.02 Encounter for fitting and adjustment of peritoneal dialysis catheter
- Z49.3 Encounter for adequacy testing for dialysisNon-billable
- Z49.31 Encounter for adequacy testing for hemodialysis
- Z49.32 Encounter for adequacy testing for peritoneal dialysis
About the Z49 Code Range
ICD-10 code section Z49 covers medical encounters specifically related to renal dialysis care, including preparations, catheter fittings, adjustments, and testing to ensure dialysis effectiveness. These codes are essential to identify various stages and types of dialysis management in patient care.
This section includes the main code Z49 for general encounters involving renal dialysis, with subcategories addressing particular needs. For example, Z49.0 refers to preparatory care before dialysis begins. Codes Z49.01 and Z49.02 specify visits for fitting or adjusting extracorporeal and peritoneal dialysis catheters, respectively. Additionally, adequacy testing codes like Z49.3 cover assessments of how well the dialysis is working. Within adequacy testing, Z49.31 focuses on hemodialysis and links to terms such as "adequacy of hemodialysis" and measures of dialysis effectiveness. Meanwhile, Z49.32 is for peritoneal dialysis adequacy evaluations, associated with findings about peritoneal dialysate analysis and compliance. These detailed codes help accurately document dialysis-related care and monitoring in patients with kidney failure.
Questions About This Page
How many billable codes are in the Z49 range?
Of the 7 codes in this range, 4 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Z49 range classify?
The range classifies encounter for care involving renal dialysis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
