ICD-10 Coding for Anemia with Chronic Kidney Disease(N18.1, N18.2, N18.3, N18.4, N18.5, N18.6, D63.1)
Complete ICD-10-CM coding and documentation guide for Anemia with Chronic Kidney Disease. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Anemia with Chronic Kidney Disease
N18.1-N18.6Primary Range
Chronic Kidney Disease Stages 1-5 and End Stage Renal Disease
These codes are used to identify the stage of CKD, which is crucial for coding anemia in CKD.
D63.1Primary Range
Anemia in Chronic Kidney Disease
This code is used to specifically identify anemia as a complication of CKD.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| N18.1 | Chronic kidney disease, stage 1 | Use when CKD stage 1 is documented. |
|
| N18.2 | Chronic kidney disease, stage 2 | Use when CKD stage 2 is documented. |
|
| N18.3 | Chronic kidney disease, stage 3 | Use when CKD stage 3 is documented. |
|
| N18.4 | Chronic kidney disease, stage 4 | Use when CKD stage 4 is documented. |
|
| N18.5 | Chronic kidney disease, stage 5 | Use when CKD stage 5 is documented. |
|
| N18.6 | End stage renal disease | Use when ESRD is documented. |
|
| D63.1 | Anemia in chronic kidney disease | Use when anemia is documented in the context of CKD. |
|
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 anemia with chronic kidney disease
Essential facts and insights about Anemia with Chronic Kidney Disease
Primary ICD-10-CM Codes for anemia with chronic kidney disease
Decision Criteria
clinical Criteria
- GFR ≥ 90 mL/min/1.73m²
Applicable To
- CKD stage 1
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR ≥ 90 mL/min/1.73m²
Code-Specific Risks
- Ensure CKD stage is documented to avoid incorrect coding.
Coding Notes
- CKD stage must be documented.
N18.2 - Chronic kidney disease, stage 2
Use when CKD stage 2 is documented.
Applicable To
- CKD stage 2
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR 60-89 mL/min/1.73m²
Coding Notes
CKD stage must be documented.
N18.3 - Chronic kidney disease, stage 3
Use when CKD stage 3 is documented.
Applicable To
- CKD stage 3
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR 30-59 mL/min/1.73m²
Coding Notes
CKD stage must be documented.
N18.4 - Chronic kidney disease, stage 4
Use when CKD stage 4 is documented.
Applicable To
- CKD stage 4
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR 15-29 mL/min/1.73m²
Coding Notes
CKD stage must be documented.
N18.5 - Chronic kidney disease, stage 5
Use when CKD stage 5 is documented.
Applicable To
- CKD stage 5
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- GFR < 15 mL/min/1.73m²
Coding Notes
CKD stage must be documented.
N18.6 - End stage renal disease
Use when ESRD is documented.
Applicable To
- ESRD
Excludes
- Acute kidney failure (N17.-)
Clinical Validation Requirements
- Patient on dialysis or GFR < 15 mL/min/1.73m²
Coding Notes
ESRD must be documented.
D63.1 - Anemia in chronic kidney disease
Use when anemia is documented in the context of CKD.
Applicable To
- Anemia due to CKD
Excludes
- Anemia in neoplastic disease (D63.0)
Clinical Validation Requirements
- Hb <13 g/dL in men or <12 g/dL in women
- GFR <60 mL/min/1.73m²
Coding Notes
Anemia must be linked to CKD.
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 Anemia with Chronic Kidney Disease to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N18.1.
Impact
Clinical: Leads to incomplete patient records., Regulatory: May result in audit findings., Financial: Affects reimbursement accuracy.
Mitigation Strategy
Always document GFR and CKD stage.
Impact
Reimbursement: Incorrect coding can lead to reduced reimbursement., Compliance: May trigger audits due to incorrect coding., Data Quality: Impacts the accuracy of patient records.
Mitigation Strategy
Always check the Alphabetic Index under 'Anemia → in CKD'.
Impact
Missing CKD stage can lead to audit findings.
Mitigation Strategy
Ensure CKD stage is documented in all relevant notes.
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 Anemia with Chronic Kidney Disease, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Anemia with Chronic Kidney Disease
Use these documentation templates to ensure complete and accurate documentation for Anemia with Chronic Kidney Disease. These templates include all required elements for proper coding and billing.
Inpatient Progress Note
Specialty: NephrologyRequired Elements
- CKD stage
- Hb level
- Iron studies
- ESA therapy
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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