What is the ICD-9 Codes for Contusion of left knee and right elbow due to fall from roof?

The ICD-9 code for a contusion of the left knee is 920.3, and for a contusion of the right elbow, it is 920.2. Since the injuries are due to a fall, you would also consider using an external cause code like E880.0 for a fall from a roof. It’s essential to consult the specific coding guidelines for accurate and comprehensive coding.