| 1-deoxymethylsphinganine | Serum | Chemistry - non-challenge | LP436913-0 | 1 |
| 1-deoxymethylsphingosine | LP435916-4 | 1 |
| 1-deoxymethylsphingosine | Serum | Chemistry - non-challenge | LP436912-2 | 1 |
| 1-deoxysphinganine | LP435177-3 | 1 |
| 1-deoxysphinganine | Serum | Chemistry - non-challenge | LP436911-4 | 1 |
| 1-Deoxysphingosine | LP435914-9 | 1 |
| 1-Deoxysphingosine | Serum | Chemistry - non-challenge | LP443103-9 | 1 |
| 1-Methylhistidine | Amniotic fluid | Chemistry - non-challenge | LP384169-1 | 1 |
| 1-Methylhistidine | Cerebral spinal fluid | Chemistry - non-challenge | LP384172-5 | 1 |
| 1-Methylhistidine | Serum or Plasma | Chemistry - non-challenge | LP384173-3 | 1 |
| 1,1-Dimethoxy-(9Z)octadecene (DMA 18:1) | DBS | Chemistry - non-challenge | LP441258-3 | 1 |
| 1,25-Dihydroxyvitamin D | LP111163-4 | 1 |
| 1,25-Dihydroxyvitamin D | Serum or Plasma | Chemistry - non-challenge | LP385181-5 | 1 |
| 1,25-Dihydroxyvitamin D2 | LP111164-2 | 1 |
| 1,25-Dihydroxyvitamin D2 | Serum or Plasma | Chemistry - non-challenge | LP385182-3 | 1 |
| 1,3 beta glucan | LP36005-4 | 1 |
| 1,3 beta glucan | Serum | Microbiology | LP379721-6 | 1 |
| 1,5-Anhydroglucitol | LP71397-1 | 1 |
| 1,5-Anhydroglucitol | Serum or Plasma | Chemistry - non-challenge | LP385479-3 | 1 |
| 10-Hydroxycarbazepine | LP28716-6 | 1 |
| 10-Hydroxycarbazepine | Serum or Plasma | Drug toxicology | LP390812-8 | 1 |
| 11-Dehydrotetrahydrocorticosterone | LP172794-2 | 1 |
| 11-Dehydrotetrahydrocorticosterone | Urine | Chemistry - non-challenge | LP380987-0 | 1 |
| 11-Deoxycorticosterone | LP15283-2 | 1 |
| 11-Deoxycorticosterone | DBS | Chemistry - non-challenge | LP380990-4 | 1 |
| 11-Deoxycortisol | DBS | Chemistry - non-challenge | LP380994-6 | 1 |
| 11-Deoxycortisol | Serum or Plasma | Chemistry - non-challenge | LP380995-3 | 1 |
| 16-Alpha hydroxyestrone | LP64854-0 | 1 |
| 16-Alpha hydroxyestrone | Serum or Plasma | Chemistry - non-challenge | LP381305-4 | 1 |
| 16-Alpha hydroxypregnenolone | LP36718-2 | 1 |
| 16-Alpha hydroxypregnenolone | Urine | Chemistry - non-challenge | LP381004-3 | 1 |
| 16-Beta,18-dihydroxydehydroepiandrosterone | LP175759-2 | 1 |
| 16-Beta,18-dihydroxydehydroepiandrosterone | Urine | Chemistry - non-challenge | LP381007-6 | 1 |
| 17-Ketogenic steroids | LP15292-3 | 1 |
| 17-Ketogenic steroids | Urine | Chemistry - non-challenge | LP381022-5 | 1 |
| 17-Ketosteroids | LP17185-7 | 1 |
| 17-Ketosteroids | Urine | Chemistry - non-challenge | LP381024-1 | 1 |
| 2-Amino-4-hydroxypteridine | Cerebral spinal fluid | Chemistry - non-challenge | LP384298-8 | 1 |
| 2-Ethylhydracrylate | LP61794-1 | 1 |
| 2-Ethylhydracrylate | Urine | Chemistry - non-challenge | LP444354-7 | 1 |
| 2-Hydroxy-3-Methylvalerate | LP18400-9 | 1 |
| 2-Hydroxy-3-Methylvalerate | Urine | Chemistry - non-challenge | LP384216-0 | 1 |
| 2-Hydroxyglutarate | DBS | Chemistry - non-challenge | LP386244-0 | 1 |
| 2-Hydroxyglutarate | Serum or Plasma | Chemistry - non-challenge | LP386246-5 | 1 |
| 2-Hydroxyglutarate | Urine | Chemistry - non-challenge | LP386247-3 | 1 |
| 2-Hydroxyisocaproate | LP18404-1 | 1 |
| 2-Hydroxyisocaproate | Urine | Chemistry - non-challenge | LP384002-4 | 1 |
| 2-Hydroxyisovalerate | LP18405-8 | 1 |
| 2-Hydroxyisovalerate | Urine | Chemistry - non-challenge | LP382204-8 | 1 |
| 2-methyl-3-hydroxybutyrate (C5-OH) | Serum or Plasma | Chemistry - non-challenge | LP382340-0 | 1 |
| 2-methyl-3-hydroxybutyrate (C5-OH) | Urine | Chemistry - non-challenge | LP382341-8 | 1 |
| 2-Methylcitrate | DBS | Chemistry - non-challenge | LP386335-6 | 1 |
| 2-Methylcitrate | Serum or Plasma | Chemistry - non-challenge | LP386337-2 | 1 |
| 2-Methylcitrate | Urine | Chemistry - non-challenge | LP386338-0 | 1 |
| 2-Oxo,3-Methylvalerate | Serum or Plasma | Chemistry - non-challenge | LP384085-9 | 1 |
| 2-Oxo,3-Methylvalerate | Urine | Chemistry - non-challenge | LP384086-7 | 1 |
| 2-Oxoisocaproate | Serum or Plasma | Chemistry - non-challenge | LP384092-5 | 1 |
| 2-Oxoisocaproate | Urine | Chemistry - non-challenge | LP384093-3 | 1 |
| 2-Oxoisovalerate | Serum or Plasma | Chemistry - non-challenge | LP384088-3 | 1 |
| 2-Oxoisovalerate | Urine | Chemistry - non-challenge | LP384089-1 | 1 |
| 2,8-Dihydroxyadenine | Cerebral spinal fluid | Chemistry - non-challenge | LP383467-0 | 1 |
| 2,8-Dihydroxyadenine | Serum or Plasma | Chemistry - non-challenge | LP383468-8 | 1 |
| 21-Deoxycortisol | LP65144-5 | 1 |
| 21-Deoxycortisol | DBS | Chemistry - non-challenge | LP381038-1 | 1 |
| 24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 | LP417252-6 | 1 |
| 24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 | Serum or Plasma | Chemistry - non-challenge | LP418980-1 | 1 |
| 25-hydroxyvitamin D2 | LP40352-4 | 1 |
| 25-hydroxyvitamin D2 | Serum or Plasma | Chemistry - non-challenge | LP385184-9 | 1 |
| 25-hydroxyvitamin D3 | LP15455-6 | 1 |
| 25-hydroxyvitamin D3 | Serum or Plasma | Chemistry - non-challenge | LP385191-4 | 1 |
| 3-Hydroxy fatty acids pattern | Serum or Plasma | Chemistry - non-challenge | LP382248-5 | 1 |
| 3-Hydroxyadipate | LP18413-2 | 1 |
| 3-Hydroxyadipate | Urine | Chemistry - non-challenge | LP383696-4 | 1 |
| 3-Hydroxybutyrylcarnitine (C4-OH) | DBS | Chemistry - non-challenge | LP381626-3 | 1 |
| 3-Hydroxybutyrylcarnitine (C4-OH) | Serum or Plasma | Chemistry - non-challenge | LP381629-7 | 1 |
| 3-Hydroxydecanoate (3-OH-C10:0) | Serum or Plasma | Chemistry - non-challenge | LP382254-3 | 1 |
| 3-Hydroxydecanoate.free (3-OH-C10:0) | LP62919-3 | 1 |
| 3-Hydroxydecanoate.free (3-OH-C10:0) | Serum or Plasma | Chemistry - non-challenge | LP382255-0 | 1 |
| 3-Hydroxydecenoylcarnitine (C10:1-OH) | LP70087-9 | 1 |
| 3-Hydroxydecenoylcarnitine (C10:1-OH) | DBS | Chemistry - non-challenge | LP381790-7 | 1 |
| 3-Hydroxydodecanoate (3-OH-C12:0) | Serum or Plasma | Chemistry - non-challenge | LP382256-8 | 1 |
| 3-Hydroxydodecanoate.free (3-OH-C12:0) | LP62918-5 | 1 |
| 3-Hydroxydodecanoate.free (3-OH-C12:0) | Serum or Plasma | Chemistry - non-challenge | LP382258-4 | 1 |
| 3-Hydroxydodecanoylcarnitine (C12-OH) | DBS | Chemistry - non-challenge | LP381811-1 | 1 |
| 3-Hydroxydodecanoylcarnitine (C12-OH) | Serum or Plasma | Chemistry - non-challenge | LP381812-9 | 1 |
| 3-Hydroxydodecenoylcarnitine (C12:1-OH) | LP70088-7 | 1 |
| 3-Hydroxydodecenoylcarnitine (C12:1-OH) | DBS | Chemistry - non-challenge | LP381827-7 | 1 |
| 3-Hydroxyglutarate | DBS | Chemistry - non-challenge | LP386265-5 | 1 |
| 3-Hydroxyglutarate | Serum or Plasma | Chemistry - non-challenge | LP386267-1 | 1 |
| 3-Hydroxyglutarate | Urine | Chemistry - non-challenge | LP386268-9 | 1 |
| 3-Hydroxyhexanoate (3-OH-C6:0) | Serum or Plasma | Chemistry - non-challenge | LP382249-3 | 1 |
| 3-Hydroxyhexanoate.free (3-OH-C6:0) | LP62922-7 | 1 |
| 3-Hydroxyhexanoate.free (3-OH-C6:0) | Serum or Plasma | Chemistry - non-challenge | LP382250-1 | 1 |
| 3-Hydroxyhexanoylcarnitine (C6-OH) | DBS | Chemistry - non-challenge | LP381700-6 | 1 |
| 3-Hydroxyhexanoylcarnitine (C6-OH) | Serum or Plasma | Chemistry - non-challenge | LP381701-4 | 1 |
| 3-Hydroxyisobutyrate | LP18416-5 | 1 |
| 3-Hydroxyisobutyrate | Urine | Chemistry - non-challenge | LP382320-2 | 1 |
| 3-Hydroxyisovalerate | Serum or Plasma | Chemistry - non-challenge | LP382207-1 | 1 |
| 3-Hydroxyisovalerate | Urine | Chemistry - non-challenge | LP382208-9 | 1 |
| 3-Hydroxyisovalerylcarnitine (C5-OH) | Serum or Plasma | Chemistry - non-challenge | LP381656-0 | 1 |