Hypomagnesemia, severe or symptomatic

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ICD10 Diagnosis
Dx: Hypomagnesemia, severe or symptomatic
ICD10 code: E83.42
Pre-ICD10 counterpart: Other Metabolic problems
Charlson/ALERT Scale: none
APACHE Como Component: none
APACHE Acute Component: 2019-0: Renal/Metabolic NOS, 2019-0: Metabolic/Renal NOS
Start Date:
Stop Date:
External ICD10 Documentation

This diagnosis is a part of ICD10 collection.

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    • 2019-01-01
    • 2999-12-31
    • E83.42
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Additional Info

  • The parameters for coding hypomagnesemia are any of the following 3 items: (This change is active as of Feb 12, 2018)
    • Mg++ < 0.5 OR
    • Any Mg++ < 0.8 AND in the presence of signs or symptoms believed to be due to hypomagnesemia OR
    • Any Mg++ < 0.8 with active treatment for hypomagnesemia


Per EPR normal Mg++ range is 0.63-0.94 mmol/L, to confirm are collectors to enter according to the guidelines above? Thanks!

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  • Main signs and symptoms of hypomagnesemia are:
    • neuromuscular - lethargy, weakness, neuromuscular irritability (fasciculations, tremors, tetany)
    • GI - anorexia, nausea/vomiting, ileus
    • cardiovascular - long QT, AV block, cardiac arrest, increased digoxin sensitivity, arrythmias
    • miscellaneous - hypocalcalemia, hypokalemia, vertigo

Alternate ICD10s to consider coding instead or in addition

Candidate Combined ICD10 codes

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