kodex

Kodex

ICD-10-CM
Section

T23.7

Corrosion of third degree of wrist and hand

Hierarchy

  • S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
    • T20-T25 Burns and corrosions of external body surface, specified by site (T20-T25)
      • T23 Burn and corrosion of wrist and hand
        • T23.7 Corrosion of third degree of wrist and hand
          • T23.70 Corrosion of third degree of hand, unspecified site
          • T23.71 Corrosion of third degree of thumb (nail)
          • T23.72 Corrosion of third degree of single finger (nail) except thumb
          • T23.73 Corrosion of third degree of multiple fingers (nail), not including thumb
          • T23.74 Corrosion of third degree of multiple fingers (nail), including thumb
          • T23.75 Corrosion of third degree of palm
          • T23.76 Corrosion of third degree of back of hand
          • T23.77 Corrosion of third degree of wrist
          • T23.79 Corrosion of third degree of multiple sites of wrist and hand

Notes

S00-T88

  • 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 First

T23.7

  • (T51-T65) to identify chemical and intent
    • T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

Use Additional

T23.7

  • external cause code to identify place (Y92)
    • Y92 Place of occurrence of the external cause

T20-T25

  • code from category T31 or T32 to identify extent of body surface involved

S00-T88

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

Includes

T20-T25

  • burns and corrosions of first degree [erythema]
  • burns and corrosions of second degree [blisters][epidermal loss]
  • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

Excludes 1

S00-T88

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