label: Malonylcarnitine (C3-DC)+3-Hydroxybutyrylcarnitine (C4-OH)/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
label_lc: malonylcarnitine (c3-dc)+3-hydroxybutyrylcarnitine (c4-oh)/creatinine &#x7c; urine &#x7c; chemistry - non-challenge