Table 4.
Target range calculations (μmol/L).
| Analyte | Conditions | No. of cases | High target ranges | |
|---|---|---|---|---|
| Low (99th)a | High (5th)b | |||
| Valine | MSUD | 7 | 256 | 356 |
| Leu/Isoleucine | 263 | 633 | ||
| Meth | HCY | 7 | 84 | 117.6 |
| Citrulline | CIT-1 | 13 | 72 | 110 |
| Phenylalanine | PKU | 7 | 104 | 274 |
| Tyrosine | TYT-1 | 8 | 238 | 631 |
| C3 | MMA/PA | 16 | 5.1 | 7.5 |
| C3/C2 | 0.24 | 0.68 | ||
| C5 | IVA | 5 | 0.80 | 1.14 |
| C5/C0 | 0.03 | 0.09 | ||
| C5/C2 | 0.04 | 0.13 | ||
| C5OH | 3-HMG CoA/3MCC | 14 | 0.50 | 0.84 |
| C5DC | GA-1 | 3 | 0.29 | 0.61 |
| C8 | MCAD | 5 | 0.27 | 0.93 |
| C10 | 0.07 | 0.17 | ||
| C8/C10 | 2.05 | 13.5 | ||
| C14:1 | VLCAD | 9 | 0.39 | 0.63 |
| 17OHP | CAH | 15 | 80 | 103.9 |
| TSH | CH | 25 | 21 | 29 |
a
Calculated from normal population
b
Calculated from true positive cases. For abbreviations, see footnote Table 2. MSUD: Maple syrup urine disease.