ICD-10 Coding for Magnesium Deficiency(E83.42, E61.2, P71.2)
Complete ICD-10-CM coding and documentation guide for Magnesium Deficiency. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Magnesium Deficiency
E83.40-E83.49Primary Range
Disorders of mineral metabolism
Includes hypomagnesemia, a metabolic disorder related to magnesium levels.
Deficiency of other nutrient elements
Includes nutritional deficiencies of magnesium without metabolic disorder.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| E83.42 | Hypomagnesemia | Use when there is a metabolic cause for low magnesium levels. |
|
| E61.2 | Magnesium deficiency | Use for nutritional deficiencies without metabolic disorder. |
|
| P71.2 | Neonatal hypomagnesemia | Use for neonatal cases with confirmed low magnesium levels. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for magnesium deficiency
Essential facts and insights about Magnesium Deficiency
Primary ICD-10-CM Codes for magnesium deficiency
Decision Criteria
clinical Criteria
- Serum Mg <1.46 mg/dL with symptoms
documentation Criteria
- Link to specific symptoms or causes
Applicable To
- Metabolic magnesium deficiency
Excludes
- Nutritional magnesium deficiency (E61.2)
Clinical Validation Requirements
- Serum Mg <1.46 mg/dL
- Symptoms such as arrhythmias or neuromuscular irritability
Code-Specific Risks
- Confusion with E61.2 for nutritional deficiencies
Coding Notes
- Ensure documentation links hypomagnesemia to specific symptoms or causes.
E61.2 - Magnesium deficiency
Use for nutritional deficiencies without metabolic disorder.
Applicable To
- Dietary magnesium deficiency
Excludes
- Hypomagnesemia (E83.42)
Clinical Validation Requirements
- Dietary deficiency confirmed by food diary
- Normal renal function
Coding Notes
Document dietary intake and absence of metabolic causes.
P71.2 - Neonatal hypomagnesemia
Use for neonatal cases with confirmed low magnesium levels.
Applicable To
- Neonatal magnesium deficiency
Clinical Validation Requirements
- Newborns <28 days with Mg <1.25 mg/dL
- Feeding difficulties or neurological symptoms
Coding Notes
Specify 'neonatal' in documentation.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Chronic kidney disease stages
N18.1-N18.5Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Magnesium Deficiency to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E83.42.
Impact
Clinical: Incomplete clinical picture., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.
Mitigation Strategy
Always link magnesium levels to clinical symptoms or causes.
Impact
Reimbursement: Incorrect coding can affect DRG assignment and payment., Compliance: Misclassification can lead to compliance issues., Data Quality: Affects accuracy of clinical data.
Mitigation Strategy
Use E83.42 for metabolic causes and E61.2 for dietary deficiencies.
Impact
Reimbursement: May lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical representation.
Mitigation Strategy
Ensure documentation specifies symptoms like arrhythmias.
Impact
Using E61.2 for metabolic deficiencies.
Mitigation Strategy
Educate coders on differentiation criteria.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Magnesium Deficiency, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Magnesium Deficiency
Use these documentation templates to ensure complete and accurate documentation for Magnesium Deficiency. These templates include all required elements for proper coding and billing.
Emergency Department Note
Specialty: Emergency MedicineRequired Elements
- Chief complaint
- History of present illness
- Lab results
- Assessment
- Plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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