O33

O33 stands for

• O33, ICD-10 code for the care of the mother in the case of an established or suspected disproportion between fetus and pelvis, see list of diseases and conditions during pregnancy, childbirth and the puerperium according to ICD-10 # O30-O48
• O33, FAA code for Eureka Municipal Airport (California) in Eureka, California, United States
• O33, a former trolleybus route in Munich, see Munich trolleybus

This is a disambiguation page for differentiating between several terms identified with the same word.