ICD-10 Coding for Decreased Glomerular Filtration Rate(N18.30, N18.6)
Complete ICD-10-CM coding and documentation guide for Decreased Glomerular Filtration Rate. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Decreased Glomerular Filtration Rate
N18.1-N18.9Primary Range
Chronic Kidney Disease (CKD) stages 1-5 and end-stage renal disease
This range covers the stages of CKD, which are directly related to decreased GFR.
Abnormal results of kidney function studies
Used when decreased GFR is noted without a CKD diagnosis.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| N18.30 | Chronic kidney disease, stage 3 unspecified | Use when CKD stage 3 is diagnosed without further specification into 3a or 3b. |
|
| N18.6 | End stage renal disease | Use when the patient is on dialysis due to ESRD. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for decreased GFR
Essential facts and insights about Decreased Glomerular Filtration Rate
Primary ICD-10-CM Codes for decreased glomerular filtration rate
Decision Criteria
clinical Criteria
- GFR between 30-59 mL/min/1.73m² for >3 months
Clinical Validation Requirements
- GFR between 30-59 mL/min/1.73m²
- Persistent for >3 months
Code-Specific Risks
- Incorrect staging can affect reimbursement and compliance.
Coding Notes
- Ensure accurate documentation of GFR values and persistence over time.
N18.6 - End stage renal disease
Use when the patient is on dialysis due to ESRD.
Applicable To
- ESRD
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR <15 mL/min/1.73m²
- Patient on dialysis
Coding Notes
Ensure dialysis status is clearly documented.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Decreased Glomerular Filtration Rate to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N18.30.
Impact
Clinical: Inaccurate assessment of CKD progression., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.
Mitigation Strategy
Always include GFR in clinical notes., Use templates to ensure completeness.
Impact
Reimbursement: Incorrect billing can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.
Mitigation Strategy
Ensure dialysis is documented before using N18.6.
Impact
Incorrect staging can lead to audit flags.
Mitigation Strategy
Regularly review GFR values and update documentation.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Decreased Glomerular Filtration Rate, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Decreased Glomerular Filtration Rate
Use these documentation templates to ensure complete and accurate documentation for Decreased Glomerular Filtration Rate. These templates include all required elements for proper coding and billing.
Chronic Kidney Disease Management
Specialty: NephrologyRequired Elements
- GFR value
- CKD stage
- Etiology
- Treatment plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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