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ICD-10 Coding for Renal Osteodystrophy(N25.0)

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

Also known as:

CKD-MBDRenal Bone Disease

Related ICD-10 Code Ranges

Complete code families applicable to Renal Osteodystrophy

N25-N29Primary Range

Disorders of kidney and ureter not elsewhere classified

This range includes renal osteodystrophy, which is a bone disorder associated with chronic kidney disease.

Chronic kidney disease (CKD)

CKD stages must be coded alongside renal osteodystrophy to provide complete clinical context.

Key Information: ICD-10 code for renal osteodystrophy

Essential facts and insights about Renal Osteodystrophy

The ICD-10 code for renal osteodystrophy is N25.0, used with CKD stage codes.

Primary ICD-10-CM Code for renal osteodystrophy

Renal osteodystrophy
Billable Code

Decision Criteria

clinical Criteria

  • Presence of elevated PTH and phosphate levels

documentation Criteria

  • Explicit documentation of CKD stage

Applicable To

  • Bone disease due to renal failure

Excludes

  • Osteoporosis without CKD

Clinical Validation Requirements

  • Elevated PTH > 300 pg/mL
  • Serum phosphate > 5.5 mg/dL
  • Bone biopsy confirming osteodystrophy

Code-Specific Risks

  • Incorrectly coding without specifying CKD stage

Coding Notes

  • Ensure CKD stage is documented and linked to renal osteodystrophy.

Ancillary Codes

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

Secondary hyperparathyroidism of renal origin

N25.81
Use when secondary hyperparathyroidism is documented alongside renal osteodystrophy.

Dialysis dependence

Z99.2
Use when the patient is dependent on dialysis.

Differential Codes

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

Other specified disorders of bone density

M85.8
Use when bone density issues are not related to CKD.

Disorders of phosphorus metabolism

E83.39
Use when phosphorus metabolism disorders are not due to CKD.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Renal Osteodystrophy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N25.0.

Impact

Clinical: Leads to vague clinical documentation., Regulatory: Non-compliance with specificity requirements., Financial: Potential loss of reimbursement due to incorrect DRG.

Mitigation Strategy

Always specify CKD stage based on eGFR.

Impact

Reimbursement: May lead to incorrect DRG assignment and affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Always document and code the CKD stage (N18.x) with N25.0.

Impact

Failure to document CKD stage can lead to audit issues.

Mitigation Strategy

Implement mandatory CKD stage documentation in EHR templates.

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 Renal Osteodystrophy, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Renal Osteodystrophy

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

Nephrology Progress Note

Specialty: Nephrology

Required Elements

  • CKD stage
  • PTH levels
  • Phosphate levels
  • Bone biopsy results

Example Documentation

Assessment: CKD Stage 5 due to diabetic nephropathy. Complications include renal osteodystrophy with secondary hyperparathyroidism. PTH 850 pg/mL, calcium 8.1 mg/dL, phosphate 7.0 mg/dL. Plan: Start cinacalcet, adjust dialysis calcium bath.

Examples: Poor vs. Good Documentation

Poor Documentation Example
CKD with bone issues
Good Documentation Example
Stage 3a CKD from hypertensive nephropathy, complicated by renal osteodystrophy (PTH 400 pg/mL, serum calcium 8.5 mg/dL). Bone biopsy shows mixed uremic osteodystrophy.
Explanation
The good example provides specific CKD stage, lab values, and biopsy results, ensuring complete documentation.

Need help with ICD-10 coding for Renal Osteodystrophy? Ask your questions below.

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