E55.9
Vitamin D deficiency, unspecified
Endocrine, nutritional and metabolic diseases Billable
Quick Reference
Low serum 25-hydroxyvitamin D level (typically <20 ng/mL)
Clinical Information
When to Use This Code
Low serum 25-hydroxyvitamin D level (typically <20 ng/mL)
Common Clinical Scenarios
- Vitamin D supplementation prescribing
- Osteoporosis workup
- Fatigue with low vitamin D
- Routine screening showing deficiency
Documentation Requirements
- Document 25-OH vitamin D level
- Note symptoms if present (bone pain, weakness, fatigue)
- Record supplementation dose prescribed
- Specify risk factors (limited sun exposure, malabsorption)
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Vitamin D deficiencyHypovitaminosis DLow vitamin D
Exclusion Terms
Do NOT use this code for:
- Rickets (E55.0)
- Osteomalacia (M83.-)
- Vitamin D-resistant disorders (E83.3-)
Coding Notes
Common deficiency, often asymptomatic
Repletion typically requires 50,000 IU weekly
Recheck levels after 8-12 weeks of supplementation
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
E55.9
Category
Endocrine, nutritional and metabolic diseases
Billable Status
Billable
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