E83.5
Disorders of calcium metabolism
Clinical Classification Guidelines
Excludes Type 1
- autoimmune hypoparathyroidism (E20.812)
- autosomal dominant hypocalcemia (E20.810)
- chondrocalcinosis (M11.1-M11.2)
- hungry bone syndrome (E83.81)
- hyperparathyroidism (E21.0-E21.3)
- secondary hypoparathyroidism in diseases classified elsewhere (E20.811)
Medical Intelligence & Overview
Disorders of calcium metabolism refer to a group of conditions where the body’s regulation of calcium, an essential mineral for bone health, nerve function, and muscle contraction, is disrupted. These conditions can lead to abnormal calcium levels in the blood or tissues, impacting various bodily functions. Proper calcium balance is vital for maintaining overall health, and disturbances can result from a variety of underlying issues. Understanding these disorders helps in early detection and management, potentially preventing more serious health complications.
Causes & Symptoms
Clinical Causes: Parathyroid gland dysfunction (hyperparathyroidism or hypoparathyroidism) Vitamin D deficiency or resistance Chronic kidney disease affecting calcium and phosphate balance Certain medications, such as diuretics or bisphosphonates Malabsorption syndromes, including celiac disease or Crohn's disease Malignancies that affect calcium levels, like certain cancers producing parathyroid hormone-related protein (PTHrP) Inherited genetic disorders affecting calcium regulation Hormonal imbalances involving calcitonin or other endocrine factors Heavy metal poisoning, such as lead or cadmium exposure impacting calcium metabolism
Key Symptoms: Muscle weakness or cramps Fatigue or general feeling of weakness Numbness or tingling sensations, especially in the hands and feet Abdominal pain or gastrointestinal disturbances like nausea and constipation Bone pain or fragility in severe cases Confusion, memory issues, or mental disturbances when calcium levels are significantly abnormal Irregular heart rhythms or palpitations In cases of high calcium (hypercalcemia): excessive thirst and urination, dehydration, and possible kidney stones In cases of low calcium (hypocalcemia): muscle spasms, twitching, or seizures
Diagnostic & Treatment
Diagnosis Path: The evaluation of disorders of calcium metabolism typically involves blood tests to measure serum calcium levels, alongside assessments of related electrolytes such as phosphorus and magnesium. Parathyroid hormone (PTH) levels are also measured to identify parathyroid-related problems. Additional tests may include vitamin D levels, kidney function tests, and imaging studies like bone density scans or ultrasounds of the parathyroid glands. A thorough medical history and physical examination are fundamental in identifying potential underlying causes, guiding further investigations.
Treatment Protocols: Medications to regulate calcium levels, such as bisphosphonates for hypercalcemia or calcium supplements and vitamin D in cases of hypocalcemia Surgical intervention for parathyroid tumors or other structural abnormalities affecting calcium regulation Managing underlying conditions like kidney disease or hormone imbalances Dietary modifications to adjust calcium and vitamin D intake Monitoring and adjusting medication doses to prevent calcium level fluctuations Addressing complications like bone loss or kidney stones with appropriate therapies
Clinical Advice & FAQs
Billing Guidance
Is E83.5 a billable ICD-10 code?
Yes, E83.5 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report E83.5?
Clinical documentation must specify the nature of Disorders of calcium metabolism and any associated comorbidities for accurate reporting.
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