| Order Code | Test Name | CPT | Performing Location | |
|---|---|---|---|---|
| 19105 | Magnesium, 24 hour urine | 83735 | Accredited NRL Laboratory | |
| 1103488 | Magnesium, Urine | 83735 | Accredited NRL Laboratory | |
| 080283 | Magnesium, Red Blood Cells | 83735 | Accredited Laboratory Partner | |
| 831715 | Myelin-Associated Glycoprotein IgG Autoantibody | 86256 | Accredited Laboratory Partner | |
| 080713 | Lysozyme | 85549 | Accredited Laboratory Partner | |
| 16275 | Folate | 82746 | Accredited NRL Laboratory | |
| 402300 | Lysosomal Acid Lipase (LAL) Deficiency | 82657 | Accredited Laboratory Partner | |
| 11080 | Follicle Stimulating Hormone | 83001 | Accredited NRL Laboratory | |
| 160457 | Lyme Disease, Western Blot, CSF | 86617x2 | Accredited Laboratory Partner | |
| 163600 | Lyme Disease Line Blot | 86617x2 | Accredited Laboratory Partner | |
| 90051 | Food Allergy Panel | 86003x25 | Accredited NRL Laboratory | |
| 138685 | Lyme Disease Borrelia burgdorferi Real-time PCR | 87476 | Accredited Laboratory Partner | |
| 164226 | Lyme Antibodies Modified 2-Tier Testing Profile | 86618 | Accredited Laboratory Partner | |
| 502286 | Luteinizing Hormone (LH) Pediatric | 83002 | Accredited Laboratory Partner | |
| 146688 | Free Androgen Index | 84270, 84403 | Accredited NRL Laboratory | |
| 500711 | Lupus Anticoagulant/Cardiolipin Antibody | 85598, 85610, 85613x2, 85670, 85730, 85732x2, 86147x2, 86146x3 | Accredited Laboratory Partner | |
| 11650 | Free Hemoglobin | 83051 | Accredited NRL Laboratory | |
| 10095 | Free Light Chains + Ratio | 83883x2 | Accredited NRL Laboratory | |
| 9924003 | Lower Respiratory Culture | 87070 | Accredited NRL Laboratory | |
| 009985 Quest 94744 | Low Density Lipoprotein Receptor-Related Protein 4 Antibodies | 86255 | Accredited Laboratory Partner |