The crash was reported near the intersection of 124th Street and Mona Boulevard.
Footage from AIR7 showed the officer taken to the emergency room by ambulance with an arm cast while on a stretcher.
More video from the crash scene showed an LAPD cruiser heavily damaged.
A second officer was inside the LAPD vehicle involved in the collision, according to authorities. It's unclear if the second officer was injured.
The officers were reportedly involved in a pursuit before getting T-boned by another car. Police say the suspect took off.
It was not immediately clear how many vehicles were involved in the crash. At least one other person was injured in the incident.
The cause of the crash is under investigation.
No further details were immediately known.