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Home/Diagnosis/ICD-10 Coding for Decreased Renal Function

ICD-10 Coding for Decreased Renal Function

N18.1
N18.6

Complete ICD-10-CM coding and documentation guide for icd-10 coding for decreased renal function includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Decreased Kidney Function
Renal Insufficiency
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Key Information: ICD-10 Coding for Decreased Renal Function

Essential facts and insights about ICD-10 Coding for Decreased Renal Function

Use ICD-10 code N18.1 for chronic kidney disease, stage 1, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic kidney disease, stage 1

Billable Code
N18.1
Billable

Diagnostic Criteria

clinical_criteria:
  • • eGFR consistently 90 or greater with evidence of kidney damage

Applicable To

  • • CKD stage 1

Important Notes

  • • Ensure documentation specifies CKD stage and supporting lab results.

End stage renal disease

Billable Code
N18.6
Billable

Diagnostic Criteria

clinical_criteria:
  • • eGFR less than 15 and patient on dialysis

Applicable To

  • • ESRD

Important Notes

  • • Ensure dialysis is documented in the medical record.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z99.2

Dependence on renal dialysis

Use when patient is on dialysis.

Frequently Asked Questions

What is the ICD-10 code for decreased renal function?

The ICD-10 code for decreased renal function varies based on the condition's specifics, such as CKD stage or presence of dialysis. Common codes include N18.1 for CKD stage 1 and N18.6 for ESRD.

How do you document decreased renal function?

Document decreased renal function by specifying the CKD stage, eGFR values, and any underlying conditions like hypertension or diabetes.

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