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ICD-10 Code Z99.2: Dependence on renal dialysis

Z99.2 is a billable ICD-10 diagnosis code used to classify Dependence on renal dialysis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

When is it used?

  • May be used when a clinician documents dependence on renal dialysis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
21Factors influencing health status and contact with health services (Z00-Z99)
block
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
category
Z99Dependence on enabling machines and devices, not elsewhere classified
currentZ99

Official coding notes

Inclusion terms
  • Hemodialysis status
  • Peritoneal dialysis status
  • Presence of arteriovenous shunt for dialysis
  • Renal dialysis status NOS
Excludes1 (do not code together)
  • encounter for fitting and adjustment of dialysis catheter (Z49.0-)
Excludes2 (may code together if documented)
  • noncompliance with renal dialysis (Z91.15-)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General PhysicianUrologist

Coverage-related procedures and services

CPT 93990high
DUPLEX SCAN OF HEMODIALYSIS ACCESS (INCLUDING ARTERIAL INFLOW, BODY OF ACCESS AND VENOUS OUTFLOW)
Source: CMS coverage guidance
CPT 75710high
ANGIOGRAPHY, EXTREMITY, UNILATERAL, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 82607high
CYANOCOBALAMIN (VITAMIN B-12);
Source: CMS coverage guidance
CPT 36593high
DECLOTTING BY THROMBOLYTIC AGENT OF IMPLANTED VASCULAR ACCESS DEVICE OR CATHETER
Source: CMS coverage guidance
CPT 93985high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW FOR PREOPERATIVE VESSEL ASSESSMENT PRIOR TO CREATION OF HEMODIALYSIS ACCESS; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93986high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW FOR PREOPERATIVE VESSEL ASSESSMENT PRIOR TO CREATION OF HEMODIALYSIS ACCESS; COMPLETE UNILATERAL STUDY
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Z99.2

Common synonyms

Dependence on renal dialysis

Frequently asked questions

Code details

CodeZ99.2
SystemICD10
Display nameDependence on renal dialysis
ChapterFactors influencing health status and contact with health services (Z00-Z99)
BlockPersons with potential health hazards related to family and personal history and certain conditions influencing health status

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Dependence(on) (syndrome)Dialysis(intermittent) (treatment)Fistula(cutaneous)Presence(of)ShuntStatus(post)Status(post)Status(post)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Z99.2 for Dependence on renal dialysis | HealthAssure