Kodex

Code

S81.009S

sequela

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Hierarchy

S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- S80-S89 Injuries to the knee and lower leg (S80-S89)
  - S81 Open wound of knee and lower leg
    - S81.0 Open wound of knee
      - S81.00 Unspecified open wound of knee
        
        S81.009 Unspecified open wound, unspecified knee
        
        S81.009A initial encounter
        
        S81.009D subsequent encounter
        
        S81.009S sequela

Long Title

S81.009S

Unspecified open wound, unspecified knee sequela

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
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Code Also

any associated wound infection

Use Additional

code to identify any retained foreign body, if applicable (Z18.-)
- Z18 Retained foreign body fragments

Excludes 1

open fracture of knee and lower leg (S82.-)
- S82 Fracture of lower leg, including ankle
S88 Traumatic amputation of lower leg

P10-P15 Birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes 2

open wound of ankle and foot (S91.-)
- S91 Open wound of ankle, foot and toes

T20-T32 Burns and corrosions (T20-T32)
T33-T34 Frostbite (T33-T34)
injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
- S90-S99 Injuries to the ankle and foot (S90-S99)
insect bite or sting, venomous (T63.4)
- T63.4 Toxic effect of venom of other arthropods