2023 ICD-10-CM Diagnosis Code T32

Corrosions classified according to extent of body surface involved

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • T32 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Corrosions classified accord extent body involv
  • The 2023 edition of ICD-10-CM T32 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of T32 - other international versions of ICD-10 T32 may differ.
  • This category is to be used as the primary code only when the site of the corrosion is unspecified. It may be used as a supplementary code with categories T20-T25
    ICD-10-CM Range T20-T25

    Burns and corrosions of external body surface, specified by site

    • 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]
    Use Additional
    • code from category T31 or T32 to identify extent of body surface involved
    • T20 Burn and corrosion of head, face, and ne...
    • T21 Burn and corrosion of trunk
    • T22 Burn and corrosion of shoulder and upper...
    • T23 Burn and corrosion of wrist and hand
    • T24 Burn and corrosion of lower limb, except...
    • T25 Burn and corrosion of ankle and foot
    when the site is specified.
The following code(s) above T32 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T32:
  • S00-T88
    2023 ICD-10-CM Range 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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To T32
T31.90 …… with 0% to 9% third degree burns
T31.91 …… with 10-19% third degree burns
T31.92 …… with 20-29% third degree burns
T31.93 …… with 30-39% third degree burns
T31.94 …… with 40-49% third degree burns
T31.95 …… with 50-59% third degree burns
T31.96 …… with 60-69% third degree burns
T31.97 …… with 70-79% third degree burns
T31.98 …… with 80-89% third degree burns
T31.99 …… with 90% or more third degree burns
T32 Corrosions classified according to extent of body surface involved
T32.0 Corrosions involving less than 10% of body surface
T32.1 Corrosions involving 10-19% of body surface
T32.10 …… with 0% to 9% third degree corrosion
T32.11 …… with 10-19% third degree corrosion
T32.2 Corrosions involving 20-29% of body surface
T32.20 …… with 0% to 9% third degree corrosion
T32.21 …… with 10-19% third degree corrosion
T32.22 …… with 20-29% third degree corrosion
T32.3 Corrosions involving 30-39% of body surface
T32.30 …… with 0% to 9% third degree corrosion

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.