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ICD-10 Guide
DiagnosesAnemia Of Chronic Renal Failure

Anemia Of Chronic Renal Failure

ICD-10 Coding for Anemia of Chronic Renal Failure(D63.1, N18.x)

PRIMARY SPECIALTYNephrology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Anemia Of Chronic Renal Failure?
Essential facts and insights about Anemia of Chronic Renal Failure

Key Clinical Considerations:

  • Patients may present with fatigue, weakness, pallor, and shortness of breath.
  • Laboratory findings typically include low hemoglobin levels (often < 12 g/dL) and low hematocrit, along with elevated serum creatinine and urea levels.
  • Physical examination may reveal signs of pallor, tachycardia, or signs of fluid overload.
  • Imaging is generally not required for diagnosis but may be used to assess kidney structure if indicated.
  • Severity is often classified based on hemoglobin levels: mild (10-11.9 g/dL), moderate (8-9.9 g/dL), and severe (< 8 g/dL).

Clinical Information

Clinical Criteria & Documentation Requirements

  • Document the patient's hemoglobin and hematocrit levels, along with renal function tests.
  • Use specific terminology such as 'anemia due to chronic renal failure' to ensure clarity.
  • Examples include: 'Patient presents with anemia secondary to chronic kidney disease, hemoglobin 10.5 g/dL.'
  • Medical necessity must be established through documentation of symptoms and laboratory findings.
  • Quality measures may include tracking hemoglobin levels and treatment responses.

Coding Guidelines

Usage Guidelines & Examples

  • Use D63.1 for anemia specifically due to chronic renal failure, particularly in patients with CKD stages 3-5.
  • Do not use this code for anemia due to other causes such as iron deficiency or hemolysis.
  • Related codes include D50.9 (iron deficiency anemia) and D64.9 (anemia, unspecified).
  • Common errors include misclassifying anemia types; ensure the underlying cause is documented.
  • In complex cases, consider additional codes for coexisting conditions like diabetes or hypertension.

Code Exclusions

Important Exclusions

  • Excludes anemia due to acute kidney injury (AKI) or other non-renal causes.
  • Alternative codes for excluded conditions include D50.9 for unspecified iron deficiency anemia.
  • Conditions are excluded to ensure accurate representation of the underlying cause of anemia.
  • Common mistakes include using D63.1 for anemia unrelated to chronic renal failure.
  • Related but distinct conditions include anemia of inflammation and anemia due to vitamin deficiencies.

Related ICD-10 Codes

Primary Codes
D63.1
Anemia in chronic kidney disease
N18.9
Chronic kidney disease, unspecified
Ancillary Codes
Z99.2
E11.22
Differential Codes
D64.9
D63.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Nephrology

Specialty Applications

  • Applies to patients with chronic kidney disease (CKD) stages 3-5.
  • Patient populations include adults and elderly individuals, particularly those with comorbidities.
  • Clinical settings include outpatient nephrology clinics and inpatient hospital settings.
  • Specialty-specific applications are relevant in nephrology and hematology.
  • Treatment contexts include management of anemia with erythropoiesis-stimulating agents (ESAs) and iron supplementation.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with anemia of chronic renal failure based on hemoglobin level of [value] and renal function tests.'

Template 2

Template: 'Clinical presentation consistent with anemia of chronic renal failure including fatigue and pallor.'

Template 3

Template: 'Diagnostic criteria met as evidenced by hemoglobin < 12 g/dL and elevated creatinine.'

Template 4

Template: 'Treatment plan initiated for anemia with erythropoiesis-stimulating agents and iron supplementation.'

Template 5

Template: 'Follow-up care for anemia of chronic renal failure including monitoring hemoglobin levels and renal function.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Document hemoglobin levels, renal function tests, and clinical symptoms.

How does this differ from similar diagnoses?

Anemia of chronic renal failure is specifically linked to kidney function decline, unlike other anemia types.

What are common billing considerations?

Ensure medical necessity is documented to optimize reimbursement for anemia treatments.

What procedures are typically associated?

CPT codes for related procedures may include 36415 (venipuncture) and 36416 (collection of venous blood).

Are there any quality reporting implications?

Quality measures may include tracking hemoglobin levels and adherence to anemia management protocols.