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

ICD-10 Coding for Acute on Chronic Kidney Injury

N17.9
N18.4

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

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

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

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

clinical:
  • • Presence of acute kidney injury indicators such as elevated creatinine.
documentation:
  • • Documentation must specify 'acute on chronic' to use this code.

Applicable To

  • • Acute renal failure

Important Notes

  • • Ensure both acute and chronic components are documented to avoid unspecified coding.

Chronic kidney disease, stage 4 (severe)

Billable Code
N18.4
Billable

Diagnostic Criteria

clinical:
  • • GFR 15-29 mL/min/1.73 m²

Applicable To

  • • Severe chronic renal failure

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 with stage 1 through stage 4 CKD, or unspecified CKD

Use when hypertension is a contributing factor to CKD.

Frequently Asked Questions

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

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

How do you document acute on chronic kidney injury?

Document acute on chronic kidney injury by specifying baseline and current creatinine levels, urine output, and clearly stating 'acute on chronic' in the medical record.

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