ICD-10-CM code "T23.549": Corrosion of first degree of unspecified multiple fingers (nail), including thumb (2024)

Overview

ICD-10 CodeT23.549
DescriptionCorrosion of first degree of unspecified multiple fingers (nail), including thumb
Hierarchy
  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Burns and corrosions of external body surface, specified by site (T20-T25)
  3. Burn and corrosion of wrist and hand (T23)
  4. Corrosion of first degree of wrist and hand (T23.5)
  5. Corrosion of first degree of multiple fingers (nail), including thumb (T23.54)
  6. Corrosion of first degree of unspecified multiple fingers (nail), including thumb (T23.549)
Billable statusICD-10-CM Billable code

Excludes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 1birth trauma (P10-P15)

    Type 1obstetric trauma (O70-O71)

  2. Burns and corrosions of external body surface, specified by site (T20-T25)
  3. Burn and corrosion of wrist and hand (T23)
  4. Corrosion of first degree of wrist and hand (T23.5)
  5. Corrosion of first degree of multiple fingers (nail), including thumb (T23.54)
  6. Corrosion of first degree of unspecified multiple fingers (nail), including thumb (T23.549)

Includes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Burns and corrosions of external body surface, specified by site (T20-T25)

    Includesburns and corrosions of first degree [erythema]

    Includesburns and corrosions of second degree [blisters][epidermal loss]

    Includesburns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

  3. Burn and corrosion of wrist and hand (T23)
  4. Corrosion of first degree of wrist and hand (T23.5)
  5. Corrosion of first degree of multiple fingers (nail), including thumb (T23.54)
  6. Corrosion of first degree of unspecified multiple fingers (nail), including thumb (T23.549)