719.56
The procedure code for a total knee arthroplasty of medial and lateral compartments with or without resurfacing of the patella is 27447.
V54.16
sprains and strains of knee and leg, unspecified site
You do not need a knee brace if you are sure that it is just a contusion. A knee brace can be helpful for ligament and cartilage injuries and sometimes is used if there is some doubt.
ICD9 code is the diagnosis code and a CPT is the procedure code
A "knee contusion" is a bruise somewhere on the knee. It's a fairly insignificant finding, since even a small force can cause a bruise. However, underlying structures may be more injured.
920 - contusion of face 923.10 - contusion of forearm
icd9 code is 597.80 and its urethritis unspecified.
Icd9 for recent toe surgery
icd9 code , not icda
code for Hyperglycemia is 790.29