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

ICD-10 Coding for Acute Kidney Injury on Chronic Kidney Disease

N17.9
N18.3

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

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

Essential facts and insights about ICD-10 Coding for Acute Kidney Injury 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
  • • Urine output <0.5 mL/kg/hr for 6 hours

Applicable To

  • • Acute renal failure NOS

Important Notes

  • • Ensure AKI is documented as the primary condition if it is the focus of care.

Chronic kidney disease, stage 3 (moderate)

Non-Billable
N18.3
Non-Billable

Diagnostic Criteria

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

Applicable To

  • • Moderate CKD

Important Notes

  • • Document the stage of CKD clearly to ensure accurate coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z99.2

Dependence on renal dialysis

Use when the patient is on dialysis due to AKI.

E11.22

Type 2 diabetes mellitus with diabetic chronic kidney disease

Use when diabetes is the underlying cause of CKD.

Frequently Asked Questions

How do you code acute kidney injury on chronic kidney disease?

Code AKI on CKD by sequencing the acute condition first (N17.x) followed by the chronic condition (N18.x). Ensure documentation specifies the type and stage of each condition.

What is the ICD-10 code for AKI on CKD stage 3?

The ICD-10 code for AKI on CKD stage 3 is N17.x for the AKI and N18.3 for the CKD stage 3. Ensure documentation supports both conditions.

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