It is recommended to use the string codes from the below table since this makes the data human readable.
| 1 | mmol/L |
| 10 | cells/µL |
| 11 | µkat/L |
| 12 | % |
| 13 | µg/L = ng/mL |
| 14 | mg/24h |
| 15 | mg/mmol |
| 16 | fl (Femtoliter) |
| 17 | µg/mL = mg/L |
| 18 | mmol/mol |
| 19 | nmol/L |
| 2 | g/L |
| 3 | g/dL |
| 4 | mg/dL |
| 5 | IU/L (u/L) |
| 6 | µmol/L |
| 7 | INR |
| 71 | µg/mL DDU |
| 8 | 1E+9/L |
| 9 | 1E+6/L |
| 99 | no units (e.g. for Dipstick results) |