Response to Comments: Serum Magnesium

This policy entry (A55361) is a Noridian response to provider comments about serum magnesium and does not contain explicit coverage criteria, limits, or claim documentation in the text provided. Actionable coverage rules (indications, frequency limits, exclusions, and required documentation) cannot be extracted from this response alone and require review of the underlying Noridian Local Coverage Determination or official Medicare guidance.

"Document provided is Noridian's 'Response to Provider Recommendations' regarding serum magnesium comments and does not itself state specific coverage indications, limitations, frequency, or claim d..."

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