Related Rule
Ukraine
Practice Relating to Rule 110. Treatment and Care of the Wounded, Sick and Shipwrecked
Section B. Distinction between the wounded and the sick
Ukraine’s IHL Manual (2004) states:
While performing their military duty, military medical personnel shall be guided by the generally recognized rules of international humanitarian law that oblige them … to render medical assistance during armed conflicts as necessary without any discrimination save for medical reasons. 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, § 1.7.1.