S66.422D Guidelines & Instructional Notes: Lacerat intrinsic musc/fasc/tend l thm at wrs/hnd lv, subs

Instruction Source: S66.422D

Lacerat intrinsic musc/fasc/tend l thm at wrs/hnd lv, subs

Instruction Source: S66.422

Laceration of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level

Instruction Source: S66.42

Laceration of intrinsic muscle, fascia and tendon of thumb at wrist and hand level

Instruction Source: S66.4

Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level

Instruction Source: S66

Injury of muscle, fascia and tendon at wrist and hand level

Excludes 2 (Not Included Here)

Instruction Source: S60-S69

Injuries to the wrist, hand and fingers (S60-S69)

Instruction Source: S00-T88

Injury, poisoning and certain other consequences of external causes

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