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ICD-10 Coding for Dialysis Status(Z99.2, N18.6)

Complete ICD-10-CM coding and documentation guide for Dialysis Status. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Dialysis DependenceRenal Dialysis Status

Related ICD-10 Code Ranges

Complete code families applicable to Dialysis Status

Z99.2Primary Range

Dependence on renal dialysis

Primary code for patients dependent on dialysis treatment.

End stage renal disease

Used to indicate the stage of chronic kidney disease requiring dialysis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z99.2Dependence on renal dialysisUse when the patient is dependent on dialysis for renal failure management.
  • Documentation of ongoing dialysis sessions (≥3 sessions/week for HD or daily PD)
N18.6End stage renal diseaseUse to indicate the stage of chronic kidney disease requiring dialysis.
  • eGFR <15 mL/min/1.73m²
  • Documentation of dialysis dependence

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for dialysis status

Essential facts and insights about Dialysis Status

The ICD-10 code for dialysis status is Z99.2, indicating dependence on renal dialysis.

Primary ICD-10-CM Codes for dialysis status

Dependence on renal dialysis
Billable Code

Decision Criteria

clinical Criteria

  • Patient is receiving regular dialysis treatment.

coding Criteria

  • Documented dependence on dialysis for renal failure.

Applicable To

  • Patients undergoing regular dialysis treatment

Excludes

  • Acute kidney failure (N17.-)

Clinical Validation Requirements

  • Documentation of ongoing dialysis sessions (≥3 sessions/week for HD or daily PD)

Code-Specific Risks

  • Incorrectly using without underlying cause codes

Coding Notes

  • Ensure documentation supports the use of Z99.2 with appropriate underlying condition codes.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Noncompliance with renal dialysis

Z91.15
Use when there is documented noncompliance with dialysis treatment.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

End stage renal disease

N18.6
Use N18.6 to indicate the disease stage; Z99.2 for dialysis dependence.

Chronic kidney disease, stage 5

N18.5
Use N18.5 for CKD stage 5 without dialysis.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Dialysis Status to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z99.2.

Impact

Clinical: Incomplete clinical picture, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Review coding guidelines regularly, Use checklists for documentation

Impact

Reimbursement: May lead to claim denials or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate representation of patient condition.

Mitigation Strategy

Always pair Z99.2 with codes like N18.6 for ESRD.

Impact

Failure to sequence Z99.2 with underlying conditions like N18.6.

Mitigation Strategy

Implement regular coding audits and training.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Dialysis Status, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Dialysis Status

Use these documentation templates to ensure complete and accurate documentation for Dialysis Status. These templates include all required elements for proper coding and billing.

Nephrology Progress Note

Specialty: Nephrology

Required Elements

  • Dialysis modality
  • Access type
  • Frequency and duration
  • Underlying etiology
  • Complications

Example Documentation

**Subjective**: "Fatigue improved post-HD, denies chest pain or SOB. Adheres to 2L fluid restriction." **Objective**: - Access: Left radial Cimino fistula, thrill+bruit present - Labs: Pre-HD K+ 5.8, Phos 6.2, iPTH 450 - Weight: IDWG 2.1 kg **Assessment**: 1. ESRD stage 5 on maintenance HD (N18.6) 2. Dialysis dependence (Z99.2) 3. Secondary hyperparathyroidism (E21.3) **Plan**: - Continue HD M/W/F ×4 hours - Adjust calcium bath to 2.5 mEq/L - Schedule fistulogram for decreased access flow

Examples: Poor vs. Good Documentation

Poor Documentation Example
"Patient receives dialysis"
Good Documentation Example
"ESRD stage 5 dependent on in-center hemodialysis 3x/week via left upper arm AV fistula"
Explanation
The good example provides specific details about the dialysis type, frequency, and access site.

Need help with ICD-10 coding for Dialysis Status? Ask your questions below.

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