| Order Code | Test Name | CPT | Performing Location | |
|---|---|---|---|---|
| 717009 | Lead, Venous Blood Pediatric | 83655 | Accredited Laboratory Partner | |
| 007625 | Lead, Whole Blood (Adult) | 83655 | Accredited Laboratory Partner | |
| 716944 | Lamotrigine | 80175 | Accredited Laboratory Partner | |
| 046300 | Lactose Tolerance Test | 82951, 82952x2 | Accredited Laboratory Partner | |
| 123016 | Lactoferrin Fecal, Quantitative | 83631 | Accredited Laboratory Partner | |
| 620044 | Lactate, CSF | 83605 | Accredited Laboratory Partner | |
| 007012 | Lacosamide | 80235 | Accredited Laboratory Partner | |
| 9924025 | KOH Preparation | 87206 | Accredited NRL Laboratory | |
| 8140675 | Known familial variant analysis (Two exons sequencing) | 81479 | Accredited NRL Laboratory | |
| 8140679 | Known familial variant analysis (one exon sequencing) . | 81479 | Accredited NRL Laboratory | |
| 9921236 | Kleihauer Betke | 85460 | Accredited NRL Laboratory | |
| 168141 | Killer Immunoglobulin-like Receptors (KIR) | 81403 | Accredited Laboratory Partner | |
| Histology | Kidney Biopsy - Native Bx | 88305, 88312x2, 88313, 88346x9, 88348 | Accredited NRL Laboratory | |
| 846177 | Ketone Panel, Urine | 82542 | Accredited Laboratory Partner | |
| 806443 | Ketone Bodies Panel | 82010 | Accredited Laboratory Partner | |
| 494040 | Joint Infection (JI) PCR Panel | 87801, 87798x3, 87653, 87651x2, 87641, 87500 | Accredited NRL Laboratory | |
| 820115 | JC Virus (JCV), Quantitative Real-time PCR | 87799 | Accredited Laboratory Partner | |
| 17243102 | Growth Hormone Deficiency, NGS | 81404, 81405 | Accredited NRL Laboratory | |
| 820121 | JC Virus (JCV), Quantitative Real-time PCR | 87799 | Accredited Laboratory Partner | |
| 11495 | Guardant 360 | 81479 | Accredited Laboratory Partner |