It is recommended to use the string codes from the below table since this makes the data human readable.

It is recommended to use the string codes from the below table since this makes the data human readable.

Unit Code	Unit String
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
2	g/L
3	g/dL
4	mg/dL
5	IU/L (u/L)
6	µmol/L
7	INR
8	1E+9/L
9	1E+6/L
99	no units (e.g. for Dipstick results)