N25.0
Renal osteodystrophy
Clinical Classification Guidelines
Inclusion Terms
- Azotemic osteodystrophy
- Phosphate-losing tubular disorders
- Renal rickets
- Renal short stature
Excludes Type 2
- metabolic disorders classifiable to E70-E88
Medical Intelligence & Overview
Renal osteodystrophy is a bone disorder that occurs as a complication of chronic kidney disease (CKD). When the kidneys are not functioning properly, they struggle to maintain the balance of minerals such as calcium and phosphate in the body. This imbalance can lead to changes in bone structure and strength, resulting in this condition. Also known as azotemic osteodystrophy, it encompasses several related bone disorders, including renal rickets and renal rickets-associated skeletal abnormalities, such as short stature and phosphate-losing tubular disorders.
Causes & Symptoms
Clinical Causes: Chronic kidney disease (CKD): Progressive loss of kidney function impairs mineral regulation. Impaired vitamin D activation: Diseased kidneys cannot convert vitamin D to its active form, reducing calcium absorption. Hyperphosphatemia: Elevated phosphate levels from decreased renal excretion contribute to bone mineralization defects. Secondary hyperparathyroidism: Excess parathyroid hormone (PTH) secretion causes increased bone turnover and demineralization. Phosphate-losing tubular disorders: Conditions where phosphate is lost excessively through the kidneys, disrupting mineral balance. Other factors include metabolic acidosis and nutritional deficiencies that can influence bone health.
Key Symptoms: Bone pain and tenderness Muscle weakness Fragile bones prone to fractures Stunted growth in children Dental abnormalities such as delayed eruption or defective dentin Signs of rickets in children, including bowed legs and skull deformities General fatigue or malaise due to underlying kidney issues
Diagnostic & Treatment
Diagnosis Path: Diagnosis involves a combination of blood and urine tests, imaging studies, and clinical evaluation:
Treatment Protocols: Managing renal osteodystrophy involves addressing mineral imbalances and controlling the underlying kidney disease:
Clinical Advice & FAQs
Billing Guidance
Is N25.0 a billable ICD-10 code?
Yes, N25.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report N25.0?
Clinical documentation must specify the nature of Renal osteodystrophy and any associated comorbidities for accurate reporting.
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