S80.221D Blister (nonthermal), right knee, subsequent encounter
Instructional Notes:
S80.221D Description: Blister (nonthermal), right knee, subsequent encounter ↓
S80.221 Description: Blister (nonthermal), right knee ↓
S80.22 Description: Blister (nonthermal) of knee ↓
S80.2 Description: Other superficial injuries of knee ↓
S80 Description: Superficial injury of knee and lower leg Exclude2:
superficial injury of ankle and foot (S90.-)
↓
S80-S89 Description: Injuries to the knee and lower leg (S80-S89) Exclude2:
burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
insect bite or sting, venomous (T63.4)
↓
S00-T88 Description: Injury, poisoning and certain other consequences of external causes Exclude2:
birth trauma (P10-P15)
obstetric trauma (O70-O71)
Notes:
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Use Additional Code:
code to identify any retained foreign body, if applicable (Z18.-)