The ICD-9 code range CONTUSION WITH INTACT SKIN SURFACE for 920-924 is medical classification list by the World Health Organization (WHO).
Contusion of eye and adnexa
Contusion of trunk
Contusion of back
Contusion of upper limb
Contusion of shoulder and upper arm
Contusion of wrist and hand(s) except finger(s) alone
Contusion of lower limb and of other and unspecified sites
Contusion of ankle and foot excluding toe(s)