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Home/Diagnosis/ICD-10 Coding for Acute on Chronic Kidney Disease

ICD-10 Coding for Acute on Chronic Kidney Disease

N17.9
N18.30

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

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

Essential facts and insights about ICD-10 Coding for Acute on Chronic Kidney Disease

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

  • • Increase in serum creatinine by ≥0.3 mg/dL within 48 hours or 1.5 times baseline
  • • Reduced urine output <0.5 mL/kg/h for 6 hours

Applicable To

  • • Acute renal failure

Important Notes

  • • Ensure documentation specifies 'acute on chronic' to avoid coding errors.

Chronic kidney disease, stage 3 unspecified

Billable Code
N18.30
Billable

Diagnostic Criteria

  • • GFR 30-59 mL/min/1.73m² for more than 3 months

Applicable To

  • • Moderate chronic kidney disease

Important Notes

  • • Ensure CKD stage is documented to avoid unspecified coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

E11.22

Type 2 diabetes mellitus with diabetic chronic kidney disease

Use when diabetes is a contributing factor to CKD.

I12.9

Hypertensive chronic kidney disease without heart failure

Use when hypertension is a contributing factor to CKD.

Frequently Asked Questions

How do you code acute on chronic kidney disease?

Code acute on chronic kidney disease by sequencing the acute kidney injury (N17.9) first, followed by the chronic kidney disease stage (N18.x).

What is the ICD-10 code for acute on chronic kidney disease?

The ICD-10 code for acute on chronic kidney disease involves using N17.9 for acute kidney injury and the appropriate N18.x code for the CKD stage.

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