Assays for Vitamins and Metabolic Function
JH · Effective Oct 1, 2015
32 active Medicare policies list F03.C4, and 3 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.
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JH · Effective Oct 1, 2015
JL · Effective Oct 1, 2015
JJ · Effective Aug 28, 2022
JM · Effective Aug 28, 2022
JH · Effective Oct 1, 2015
JL · Effective Oct 1, 2015
JE · Effective Oct 8, 2018
JF · Effective Oct 8, 2018
JH · Effective Oct 1, 2015
3 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 F03.C4 |
|---|---|---|
| Testing for Biochemical Markers for Alzheimer Disease | Jul 1, 2026 | Covered |
| Thyroid Testing | Apr 15, 2026 | Covered |
| Policy | Effective | Status of F03.C4 |
|---|---|---|
| Serum Folate and Red Blood Cell Folate Testing | Dec 15, 2025 | Covered |
JL · Effective Oct 1, 2015
J9 · Effective Oct 1, 2015
J6 · Effective Oct 1, 2015
JK · Effective Oct 1, 2015
J5 · Effective Oct 1, 2015
J8 · Effective Oct 1, 2015
J9 · Effective Oct 1, 2015
JH · Effective Oct 1, 2015
JL · Effective Oct 1, 2015
JL · Effective Oct 1, 2025
National · Effective Jan 15, 2026
National · Effective Nov 9, 2023
JL · Effective Jan 1, 2026
National · Effective Oct 1, 2026
JL · Effective Oct 13, 2023
J9 · Effective Oct 13, 2023
JL · Effective Oct 1, 2025
J9 · Effective Jan 1, 2025
J6 · Effective Apr 1, 2026
J5 · Effective Jan 1, 2026
J9 · Effective Oct 1, 2025
JL · Effective Oct 1, 2025
J6 · Effective Oct 1, 2026