The amount of time that a patient should not eat or drink varies by procedure and the preferences of the health care professional. In addition to not eating before surgery, a patient should also have a relatively light, healthy last meal before beginning the fast and not smoke or drink alcohol.
Definition of amputate. amputated. ; amputating. transitive verb. : to remove by or as if by cutting; especially : to cut (a part, such as a limb) from the body.
In ICD-10-PCS, the root operation for this procedure is Detachment since the main objective is to cut off part of the lower extremity. The Alphabetic Index entry main term Amputation refers the coding professional to see Detachment.