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Home/Diagnosis/ICD-10 Coding for Stage 4 Kidney Disease

ICD-10 Coding for Stage 4 Kidney Disease

N18.4
I12.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for stage 4 kidney disease includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Chronic Kidney Disease Stage 4
CKD Stage 4
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Key Information: ICD-10 Coding for Stage 4 Kidney Disease

Essential facts and insights about ICD-10 Coding for Stage 4 Kidney Disease

Use ICD-10 code N18.4 for chronic kidney disease, stage 4 (severe), ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic kidney disease, stage 4 (severe)

Billable Code
N18.4
Billable

Diagnostic Criteria

clinical:
  • • GFR between 15-29 mL/min/1.73m²
coding:
  • • Patient not on dialysis

Applicable To

  • • CKD stage 4

Important Notes

  • • Ensure documentation specifies CKD stage and any causal conditions like hypertension or diabetes.

Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

Billable Code
I12.9
Billable

Applicable To

  • • Hypertensive CKD stage 4

Important Notes

  • • Ensure causal relationship between hypertension and CKD is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z99.2

Dependence on renal dialysis

Use when the patient is on dialysis.

Frequently Asked Questions

What is the ICD-10 code for stage 4 kidney disease?

The ICD-10 code for stage 4 kidney disease is N18.4, indicating severe chronic kidney disease with a GFR of 15-29 mL/min/1.73m².

How do you code CKD stage 4 with hypertension?

Code I12.9 for hypertensive CKD with stage 4, and N18.4 for the specific CKD stage. Ensure documentation links hypertension to CKD.

When should N18.6 be used instead of N18.4?

Use N18.6 for end stage renal disease when the patient is on dialysis, replacing N18.4 for stage 4 CKD.

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