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Home/Diagnosis/ICD-10 Coding for Acute-on-Chronic Renal Failure

ICD-10 Coding for Acute-on-Chronic Renal Failure

N17.9
N18.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for acute-on-chronic renal failure includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Acute-on-Chronic Kidney Disease
Acute Chronic Kidney Failure
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Key Information: ICD-10 Coding for Acute-on-Chronic Renal Failure

Essential facts and insights about ICD-10 Coding for Acute-on-Chronic Renal Failure

Use ICD-10 code N17.9 for acute kidney failure, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute kidney failure, unspecified

Billable Code
N17.9
Billable

Diagnostic Criteria

  • • ≥1.5x baseline creatinine within 7 days
  • • ≥0.3 mg/dL increase in 48 hours

Applicable To

  • • Acute renal failure NOS

Important Notes

  • • Ensure documentation specifies 'acute-on-chronic' to differentiate from chronic conditions.

Chronic kidney disease, stage 3

Non-Billable
N18.3
Non-Billable

Diagnostic Criteria

  • • GFR 30-59 mL/min/1.73m²

Applicable To

  • • Moderate CKD

Important Notes

  • • Ensure CKD stage is explicitly documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z99.2

Dependence on renal dialysis

Use for patients with ESRD on dialysis.

Frequently Asked Questions

How is acute-on-chronic renal failure coded in ICD-10?

Acute-on-chronic renal failure is coded using N17.9 for acute kidney failure and N18.x for the specific stage of chronic kidney disease.

What documentation is required for acute-on-chronic renal failure?

Documentation must include specific terminology, CKD stage, and lab trends such as creatinine levels and GFR.

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