ICD-10 Coding for Hypomagnesemia(E83.42, P71.2)
Complete ICD-10-CM coding and documentation guide for Hypomagnesemia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Hypomagnesemia
E83.40-E83.49Primary Range
Disorders of magnesium metabolism
This range includes all disorders related to magnesium metabolism, with E83.42 specifically for hypomagnesemia.
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 lab tests confirm low serum magnesium and symptoms are present. |
|
| P71.2 | Neonatal hypomagnesemia | Use for confirmed cases of hypomagnesemia in neonates. |
|
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 hypomagnesemia
Essential facts and insights about Hypomagnesemia
Primary ICD-10-CM Codes for hypomagnesemia
Decision Criteria
clinical Criteria
- Serum magnesium level <1.7 mg/dL with symptoms
coding Criteria
- Avoid using unspecified codes
Applicable To
- Low serum magnesium
Excludes
- Other magnesium disorders (E83.49)
Clinical Validation Requirements
- Serum magnesium level <1.7 mg/dL
- Presence of symptoms such as muscle cramps, arrhythmias
Code-Specific Risks
- Using unspecified codes like E83.40
Coding Notes
- Ensure documentation includes specific magnesium levels and associated symptoms.
P71.2 - Neonatal hypomagnesemia
Use for confirmed cases of hypomagnesemia in neonates.
Applicable To
- Hypomagnesemia in newborns
Excludes
- Hypomagnesemia in older children and adults (E83.42)
Clinical Validation Requirements
- Neonatal serum magnesium level <1.7 mg/dL
- Symptoms such as seizures
Coding Notes
Ensure neonatal context is clear in documentation.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Hypomagnesemia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E83.42.
Impact
Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials.
Mitigation Strategy
Always document specific lab values., Include clinical symptoms and treatment.
Impact
Reimbursement: May lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data representation.
Mitigation Strategy
Use E83.42 with specific magnesium levels and symptoms.
Impact
Lack of specific lab values can lead to audit issues.
Mitigation Strategy
Ensure all lab results are documented clearly.
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 Hypomagnesemia, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Hypomagnesemia
Use these documentation templates to ensure complete and accurate documentation for Hypomagnesemia. These templates include all required elements for proper coding and billing.
Emergency Department presentation with hypomagnesemia
Specialty: Emergency MedicineRequired Elements
- Patient demographics
- Presenting symptoms
- Serum magnesium level
- Treatment administered
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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