2020 ICD-10-CM Diagnosis Code T32.99

Corrosions involving 90% or more of body surface with 90% or more third degree corrosion

    2016 2017 2018 2019 2020 Billable/Specific Code
  • T32.99 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Corros 90%/more of body surfc w 90%/more third degree corros
  • The 2020 edition of ICD-10-CM T32.99 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T32.99 - other international versions of ICD-10 T32.99 may differ.
The following code(s) above T32.99 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 T32.99:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • 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
  • T32
    ICD-10-CM Diagnosis Code T32

    Corrosions classified according to extent of body surface involved

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Note
    • 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 when the site is specified.
    Corrosions classified according to extent of body surface involved
Approximate Synonyms
  • Chemical burn injury
  • Chemical burn involving more than 90 percent of body surface, with more than 90 percent of body surface with full thickness burn
ICD-10-CM T32.99 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 927 Extensive burns or full thickness burns with mv >96 hours with skin graft
  • 933 Extensive burns or full thickness burns with mv >96 hours without skin graft

Convert T32.99 to ICD-9-CM

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

Diagnosis Index entries containing back-references to T32.99:
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) T30.4
    ICD-10-CM Diagnosis Code T30.4

    Corrosion of unspecified body region, unspecified degree

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • This code is not for inpatient use. Code to specified site and degree of corrosion
    • Corrosion NOS
    • Multiple corrosion NOS

ICD-10-CM Codes Adjacent To T32.99
T32.9 Corrosions involving 90% or more of body surface
T32.90 …… with 0% to 9% third degree corrosion
T32.91 …… with 10-19% third degree corrosion
T32.92 …… with 20-29% third degree corrosion
T32.93 …… with 30-39% third degree corrosion
T32.94 …… with 40-49% third degree corrosion
T32.95 …… with 50-59% third degree corrosion
T32.96 …… with 60-69% third degree corrosion
T32.97 …… with 70-79% third degree corrosion
T32.98 …… with 80-89% third degree corrosion
T32.99 …… with 90% or more third degree corrosion
T33 Superficial frostbite
T33.0 Superficial frostbite of head
T33.01 Superficial frostbite of ear
T33.011 Superficial frostbite of right ear
T33.011A …… initial encounter
T33.011D …… subsequent encounter
T33.011S …… sequela
T33.012 Superficial frostbite of left ear
T33.012A …… initial encounter
T33.012D …… subsequent encounter

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