IM often stands for IntraMuscular.
IM means intramuscular.
I am uncertain what you are asking about but one possibility would be whether and injection was to be made intramuscular or intravenous.
The most common abbreviation for muscle is m.The most common abbreviation for muscles is mm.Occasionally, some people will use mm. for a singular muscle and mms. for multiple muscles.
Intramuscular.
Chickenpox vaccine is not intramuscular. It is a subcutaneous vaccine.
iv = interveinous im = intramuscular
subcutaneous intravenous intramuscular
Intramuscular injection involves placing the medication directly into the belly of a muscle.
You can give deep intramuscular injection in upper and outer quadrant of the hip. You can give the deep intramuscular injection between anterior and lateral aspect of the middle thigh.
90 degrees
subcutaneous intravenous intramuscular