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Home/Diagnosis/ICD-10 Coding for Stage III Chronic Kidney Disease

ICD-10 Coding for Stage III Chronic Kidney Disease

N18.30
N18.31
N18.32

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

Also Known as:
Stage 3 CKD
Moderate CKD
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Key Information: ICD-10 Coding for Stage III Chronic Kidney Disease

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

Use ICD-10 code N18.30 for chronic kidney disease, stage 3 unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic kidney disease, stage 3 unspecified

Billable Code
N18.30
Billable

Diagnostic Criteria

clinical:
  • • eGFR between 30-59 mL/min
documentation:
  • • Provider documentation specifying CKD Stage 3

Applicable To

  • • CKD Stage 3

Important Notes

  • • Ensure that the stage of CKD is documented explicitly to avoid unspecified coding.

Chronic kidney disease, stage 3a

Billable Code
N18.31
Billable

Diagnostic Criteria

clinical:
  • • eGFR 45-59 mL/min
documentation:
  • • Provider documentation specifying 'stage 3a'

Applicable To

  • • CKD Stage 3a

Important Notes

  • • Ensure eGFR is documented to support the stage 3a classification.

Chronic kidney disease, stage 3b

Billable Code
N18.32
Billable

Diagnostic Criteria

clinical:
  • • eGFR 30-44 mL/min
documentation:
  • • Provider documentation specifying 'stage 3b'

Applicable To

  • • CKD Stage 3b

Important Notes

  • • Ensure eGFR is documented to support the stage 3b classification.
Ancillary Codes

Additional codes that may be used with this diagnosis

I12.9

Hypertensive CKD

Use when CKD is due to hypertension.

E11.22

Type 2 diabetes mellitus with CKD

Use when CKD is due to diabetes.

Frequently Asked Questions

What is the ICD-10 code for stage 3 chronic kidney disease?

The ICD-10 code for stage 3 chronic kidney disease is N18.30 for unspecified, N18.31 for stage 3a, and N18.32 for stage 3b.

How is CKD stage 3a different from 3b?

CKD stage 3a is defined by an eGFR of 45-59 mL/min, while stage 3b is defined by an eGFR of 30-44 mL/min.

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