label: Methylmalonylcarnitine (C4-DC)+3-Hydroxyisovalerylcarnitine (C5-OH)/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
label_lc: methylmalonylcarnitine (c4-dc)+3-hydroxyisovalerylcarnitine (c5-oh)/creatinine &#x7c; urine &#x7c; chemistry - non-challenge