What is the ICD-10 code for magnesium deficiency?

The ICD-10 code for magnesium deficiency is E61.2 for dietary causes and E83.42 for metabolic causes.

How do you code hypomagnesemia?

Code E83.42 is used for hypomagnesemia when there is a metabolic cause, such as renal loss or drug-induced deficiency.

ICD-10 Coding for Magnesium Deficiency(E83.42, E61.0, E61.2)

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Learn about ICD-10 coding for magnesium deficiency, including E83.42 for hypomagnesemia and E61.2 for dietary deficiencies. Understand documentation requirements and coding pitfalls.

Also known as:

HypomagnesemiaMagnesium Deficiency Syndrome

Related ICD-10 Code Ranges

Complete code families applicable to Magnesium Deficiency

E00-E89Primary Range

Endocrine, nutritional and metabolic diseases

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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.	Serum Mg <1.46 mg/dL Symptoms such as arrhythmias or neuromuscular irritability
E61.2	Magnesium deficiency	Use for nutritional deficiencies without metabolic disorder.	Dietary deficiency confirmed by food diary Normal renal function
P71.2	Neonatal hypomagnesemia	Use for neonatal cases with confirmed low magnesium levels.	Newborns <28 days with Mg <1.25 mg/dL Feeding difficulties or neurological symptoms

Primary ICD-10-CM Codes

Hypomagnesemia

E83.42Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Magnesium deficiencyE61.2

HypomagnesemiaE83.42

Documentation & Coding Risks

Avoid these common issues when documenting Magnesium Deficiency.

Documenting 'low Mg' without context

Impact

Clinical: Incomplete clinical picture., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Always link magnesium levels to clinical symptoms or causes.

Confusing E83.42 with E61.2

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

Use E83.42 for metabolic causes and E61.2 for dietary deficiencies.

Not linking hypomagnesemia to symptoms

Impact

Reimbursement: May lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical representation.

Mitigation

Ensure documentation specifies symptoms like arrhythmias.

Incorrect code selection

Impact

Using E61.2 for metabolic deficiencies.

Mitigation

Educate coders on differentiation criteria.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with E83.42.

Primary Code

E83.42

Hypomagnesemia

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ICD-10 codes12

Coding risks4

FAQs2

ICD-10 Coding for Magnesium Deficiency(E83.42, E61.0, E61.2)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for magnesium deficiency?

How do you code hypomagnesemia?

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