ICD-10-CM diagnosis code
E83.49 Other disorders of magnesium metabolism
- Billable
- Yes, a complete code (FY2026)
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Other codes in E83
31 complete codes in this category.
- E83.31Familial hypophosphatemia
- E83.32Hereditary vitamin D-dependent rickets (type 1) (type 2)
- E83.39Other disorders of phosphorus metabolism
- E83.40Disorders of magnesium metabolism, unspecified
- E83.41Hypermagnesemia
- E83.42Hypomagnesemia
- E83.49Other disorders of magnesium metabolism
- E83.50Unspecified disorder of calcium metabolism
- E83.51Hypocalcemia
- E83.52Hypercalcemia
- E83.59Other disorders of calcium metabolism
- E83.81Hungry bone syndrome
Documentation tips
- Make sure the note supports every element of the title, “Other disorders of magnesium metabolism”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to E83.
The international WHO ICD-10 also has E83, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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