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M85.9
ICD-10-CM
Metabolic Bone Disorder

Find comprehensive information on Metabolic Bone Disorder diagnosis, including clinical documentation, medical coding (ICD-10, SNOMED CT), healthcare guidelines, and treatment options. Learn about different types of metabolic bone diseases, such as osteoporosis, osteomalacia, Paget's disease, and hyperparathyroidism. This resource provides insights for healthcare professionals, medical coders, and patients seeking information on diagnosis, symptoms, and management of metabolic bone disorders. Explore resources on bone density testing, calcium metabolism, and vitamin D deficiency related to metabolic bone disease.

Also known as

MBD
Metabolic Bone Disease

Diagnosis Snapshot

Key Facts
  • Definition : A group of conditions affecting bone strength or structure due to problems with mineral metabolism.
  • Clinical Signs : Bone pain, fractures, deformities, muscle weakness, fatigue. May be asymptomatic initially.
  • Common Settings : Primary care, endocrinology, rheumatology, orthopedics, nephrology

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M85.9 Coding
M80-M85

Disorders of bone density and structure

Includes osteoporosis, osteomalacia, and other bone density problems.

E83.3

Disorders of calcium metabolism

Covers abnormal calcium levels related to bone disorders.

E83.5

Disorders of phosphorus metabolism

Includes abnormal phosphorus levels affecting bone health.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the disorder due to calcium/vitamin D deficiency?

  • Yes

    Is it rickets active?

  • No

    Is it osteoporosis?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Metabolic bone disease
Osteoporosis
Osteomalacia/Rickets

Documentation Best Practices

Documentation Checklist
  • Document specific bone disorder type (e.g., osteoporosis, osteomalacia)
  • Detailed history including risk factors, symptoms, and family history
  • Physical exam findings related to bone health and related systems
  • Diagnostic test results (e.g., DEXA scan, bone biopsy, lab values)
  • Diagnosis ICD-10 code (e.g., M80-M85, D18.0, E83.3)

Coding and Audit Risks

Common Risks
  • Unspecified BMD Diagnosis

    Coding M80.- without further specificity when documentation supports a more precise metabolic bone disorder diagnosis. Impacts DRG assignment and reimbursement.

  • Osteoporosis Overcoding

    Incorrectly assigning osteoporosis codes (M80.0-, M81.-) without proper documentation of bone density testing and fragility fractures, leading to overpayment.

  • Pathological Fracture Miscoding

    Coding pathological fractures (M84.4-) without linking them to the underlying metabolic bone disorder, affecting accurate quality reporting and risk adjustment.

Mitigation Tips

Best Practices
  • Document bone density T-scores for osteoporosis diagnosis (ICD-10: M80.-, M81.-).
  • Ensure specific metabolic disorder is coded (e.g., Paget's: ICD-10 M88.0).
  • Capture causal relationships: e.g., vitamin D deficiency causing osteomalacia.
  • Query physician for clarity if documentation lacks specificity for MBD.
  • Review labs (calcium, phosphorus, etc.) for accurate CDI and coding compliance.

Clinical Decision Support

Checklist
  • 1. Verify DEXA scan T-score. Document osteoporosis, osteopenia, or normal.
  • 2. Check calcium, phosphate, PTH, and vitamin D levels. Note abnormalities.
  • 3. Review medications impacting bone health (steroids, PPIs). Document interaction.
  • 4. Assess fracture risk factors (age, smoking, prior fracture). Document FRAX score.

Reimbursement and Quality Metrics

Impact Summary
  • Metabolic Bone Disorder reimbursement hinges on accurate ICD-10 coding (e.g., M80-M85) and medical necessity documentation.
  • Coding errors impact hospital revenue cycle, denials, and case mix index for Metabolic Bone Disorders.
  • Quality metrics like bone density testing and fracture rates affect value-based care reimbursement.
  • Proper coding of secondary conditions (osteoporosis, osteomalacia) impacts Metabolic Bone Disorder reporting.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code underlying cause, not just MBD
  • Document bone density & lab results
  • Specify type of MBD (e.g., osteoporosis)
  • Check ICD-10-CM guidelines for MBD
  • Use combination codes when applicable

Documentation Templates

Patient presents with complaints suggestive of a metabolic bone disorder.  Symptoms include [Specify patient's symptoms, e.g., bone pain, muscle weakness, fractures, fatigue].  Patient history includes [mention relevant history such as previous fractures, family history of osteoporosis, dietary habits, medication use including corticosteroids, vitamin D supplements, bisphosphonates, and any history of malabsorption syndromes].  Physical examination revealed [document relevant physical findings such as tenderness to palpation, decreased range of motion, deformities, height loss].  Differential diagnosis includes osteoporosis, osteomalacia, Paget's disease of bone, hyperparathyroidism, and renal osteodystrophy.  Laboratory tests ordered include serum calcium, phosphorus, alkaline phosphatase, vitamin D levels (25-hydroxyvitamin D and 1,25-dihydroxyvitamin D), parathyroid hormone (PTH), creatinine, and complete blood count (CBC).  Imaging studies considered include bone densitometry (DEXA scan), X-rays, and if indicated, bone biopsy.  Assessment points towards possible [Specify suspected metabolic bone disorder, e.g., osteoporosis, vitamin D deficiency].  Plan includes further investigation with the aforementioned laboratory and imaging studies.  Patient education provided on the importance of calcium and vitamin D intake, weight-bearing exercise, fall prevention strategies, and potential medication management.  Follow-up scheduled to review results and discuss appropriate treatment plan, which may include medications such as bisphosphonates, denosumab, teriparatide, or calcitriol depending on the final diagnosis and severity of the bone disorder.  Medical coding considerations include ICD-10 codes for the specific metabolic bone disorder (e.g., M80.  for osteoporosis, M81.  for osteomalacia) and CPT codes for the diagnostic tests and procedures performed.
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