Magnesium
JJ · Effective Jan 22, 2023
8 active Medicare policies list E40, and 2 commercial payer policies list it. See each policy's status for the code and its official source. Listing a code is not a coverage decision: read each policy’s source for the requirements that apply.
Free account. Policy pages stay open to everyone.
JJ · Effective Jan 22, 2023
JM · Effective Jan 22, 2023
JE · Effective Mar 13, 2017
JF · Effective Mar 13, 2017
J9 · Effective Oct 1, 2015
National · Effective Oct 1, 2026
National · Effective Oct 1, 2026
National · Effective Apr 1, 2024
2 policies from 2 payers
Summary of the payer’s published policy. Not a coverage determination — confirm with the payer before submitting.
| Policy | Effective | Status of E40 |
|---|---|---|
| Polymerase Chain Reaction Testing: Selected Indications | Feb 9, 2024 | Covered |
| Policy | Effective | Status of E40 |
|---|---|---|
| Serum Folate and Red Blood Cell Folate Testing | Dec 15, 2025 | Covered |