Safety
Measurement

Ng

Nanogram

High risk

Risk

ISMP lists Ng/ng as error-prone: nanogram may be mistaken as mg or nasogastric.

Safer Alternative

Write "nanogram"

Example

Ng misread as mg or nasogastric

Sources

https://online.ecri.org/hubfs/ISMP/Resources/ISMP_ErrorProneAbbreviation_List.pdf