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Home/Diagnosis/ICD-10 Coding for Hypomagnesemia

ICD-10 Coding for Hypomagnesemia

E83.42
P71.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for hypomagnesemia includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Low magnesium
Magnesium deficiency
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Key Information: ICD-10 Coding for Hypomagnesemia

Essential facts and insights about ICD-10 Coding for Hypomagnesemia

Use ICD-10 code E83.42 for hypomagnesemia, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hypomagnesemia

Billable Code
E83.42
Billable

Diagnostic Criteria

clinical:
  • • Serum magnesium level <1.7 mg/dL with symptoms
coding:
  • • Avoid using unspecified codes

Applicable To

  • • Low serum magnesium

Important Notes

  • • Ensure documentation includes specific magnesium levels and associated symptoms.

Neonatal hypomagnesemia

Billable Code
P71.2
Billable

Diagnostic Criteria

clinical:
  • • Neonatal serum magnesium level <1.7 mg/dL
  • • Symptoms such as seizures

Applicable To

  • • Hypomagnesemia in newborns

Important Notes

  • • Ensure neonatal context is clear in documentation.
Ancillary Codes

Additional codes that may be used with this diagnosis

N18.9

Chronic kidney disease, unspecified

Use when CKD is a contributing factor to hypomagnesemia.

E87.2

Acidosis

Use when metabolic acidosis complicates hypomagnesemia.

Frequently Asked Questions

What is the ICD-10 code for hypomagnesemia?

The ICD-10 code for hypomagnesemia is E83.42, used when lab tests confirm low serum magnesium levels with symptoms.

How is hypomagnesemia documented?

Document hypomagnesemia with specific serum magnesium levels, symptoms, and any treatment provided to ensure accurate coding.

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