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ICD-10 Coding for Decreased Renal Function(N18.1, E11.22, N17.9)

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Explore ICD-10 coding for decreased renal function, including CKD stages, documentation requirements, and common coding pitfalls.

Also known as:
Decreased Kidney FunctionRenal Insufficiency
Related ICD-10 Code Ranges

Complete code families applicable to Decreased Renal Function

N00-N99Primary Range

Diseases of the genitourinary system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
N18.1Chronic kidney disease, stage 1
N18.6End stage renal disease
Primary ICD-10-CM Codes
Chronic kidney disease, stage 1
N18.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Acute kidney failure, unspecifiedN17.9
Chronic kidney disease, stage 5N18.5

Documentation & Coding Risks

Avoid these common issues when documenting Decreased Renal Function.

Failing to link CKD with diabetes or hypertension.

Impact

Clinical: Inaccurate representation of patient's condition., Regulatory: Potential audit issues., Financial: Missed opportunities for appropriate reimbursement.

Mitigation

Always assess and document underlying causes.

Coding CKD without specifying the stage.

Impact

Reimbursement: Potential underpayment due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Always document and code the specific stage of CKD.

CKD Staging

Impact

Inaccurate staging due to lack of documentation.

Mitigation

Implement mandatory eGFR documentation for CKD patients.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N18.1.