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Home/Diagnosis/ICD-10 Coding for Low Glomerular Filtration Rate

ICD-10 Coding for Low Glomerular Filtration Rate

N18.1
N18.6

Complete ICD-10-CM coding and documentation guide for icd-10 coding for low glomerular filtration rate includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Low GFR
Decreased GFR
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Key Information: ICD-10 Coding for Low Glomerular Filtration Rate

Essential facts and insights about ICD-10 Coding for Low Glomerular Filtration Rate

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

  • • GFR ≥90 with evidence of kidney damage

Applicable To

  • • GFR 90 or greater

Important Notes

  • • Ensure CKD stage is documented explicitly.

End-stage renal disease

Billable Code
N18.6
Billable

Diagnostic Criteria

  • • Documentation of ESRD and dialysis requirement

Applicable To

  • • CKD requiring dialysis

Important Notes

  • • Ensure ESRD is explicitly documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

E11.22

Type 2 diabetes mellitus with diabetic chronic kidney disease

Use when CKD is due to diabetes.

I12.9

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

Use when CKD is due to hypertension.

Frequently Asked Questions

What is the ICD-10 code for low GFR?

The ICD-10 code for low glomerular filtration rate without CKD is R94.4, while CKD stages are coded under N18.1-N18.9.

How is low GFR documented?

Low GFR should be documented with specific CKD staging and causal conditions, such as diabetes or hypertension.

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