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ICD-10 Guide
ICD-10 CodesM83.3

M83.3

Billable

Adult osteomalacia due to malnutrition

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M83.3 is a billable code used to indicate a diagnosis of adult osteomalacia due to malnutrition.

Key Diagnostic Point:

Adult osteomalacia due to malnutrition is a condition characterized by the softening of bones in adults, primarily caused by a deficiency in essential nutrients, particularly vitamin D, calcium, and phosphate. This condition leads to impaired bone mineralization, resulting in decreased bone density and increased susceptibility to fractures. Osteomalacia differs from osteoporosis, which involves a reduction in bone mass and structural deterioration. Patients with osteomalacia may present with bone pain, muscle weakness, and an increased risk of fractures, particularly in weight-bearing bones. Diagnosis typically involves clinical evaluation, laboratory tests to assess vitamin D levels, and imaging studies such as X-rays or bone density scans to evaluate bone health. Treatment focuses on correcting nutritional deficiencies through dietary modifications, supplementation, and addressing any underlying conditions that may contribute to malabsorption or inadequate nutrient intake.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between osteomalacia and osteoporosis
  • Need for comprehensive nutritional assessment
  • Potential for multiple underlying causes of malnutrition
  • Variability in clinical presentation among patients

Audit Risk Factors

  • Inadequate documentation of nutritional deficiencies
  • Failure to specify the cause of malnutrition
  • Lack of supporting lab results for diagnosis
  • Misclassification of osteomalacia as osteoporosis

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Thorough documentation of hormone levels, dietary history, and metabolic assessments.

Common Clinical Scenarios

Patients presenting with unexplained bone pain, muscle weakness, or fractures.

Billing Considerations

Endocrinologists should ensure that all relevant lab results and dietary assessments are included in the documentation.

Nutrition

Documentation Requirements

Detailed dietary assessments and recommendations for supplementation.

Common Clinical Scenarios

Patients with malabsorption syndromes or those on restrictive diets.

Billing Considerations

Nutritionists should document the rationale for dietary recommendations and any follow-up plans.

Coding Guidelines

Inclusion Criteria

Use M83.3 When
  • According to ICD
  • 10 coding guidelines, M83
  • 3 should be used when the osteomalacia is specifically due to malnutrition
  • Coders must ensure that the underlying cause of malnutrition is documented and that the condition is not due to other factors such as renal disease or genetic disorders

Exclusion Criteria

Do NOT use M83.3 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

80048CPT Code

Vitamin D, 25-hydroxy

Clinical Scenario

Used to assess vitamin D levels in patients suspected of having osteomalacia.

Documentation Requirements

Document the reason for testing and any relevant clinical findings.

Specialty Considerations

Endocrinologists should ensure that all relevant lab results are included in the patient's record.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like osteomalacia, enabling better tracking of nutritional deficiencies and their impact on bone health. This specificity aids in research and improves patient care by highlighting the importance of nutrition in bone metabolism.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like osteomalacia, enabling better tracking of nutritional deficiencies and their impact on bone health. This specificity aids in research and improves patient care by highlighting the importance of nutrition in bone metabolism.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like osteomalacia, enabling better tracking of nutritional deficiencies and their impact on bone health. This specificity aids in research and improves patient care by highlighting the importance of nutrition in bone metabolism.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the primary cause of adult osteomalacia?

The primary cause of adult osteomalacia is a deficiency in essential nutrients, particularly vitamin D, calcium, and phosphate, often due to malnutrition or malabsorption.