2020 ICD-10-CM Diagnosis Code T27.4XXA

Corrosion of larynx and trachea, initial encounter

    2016 2017 2018 2019 2020 Billable/Specific Code
  • T27.4XXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM T27.4XXA became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T27.4XXA - other international versions of ICD-10 T27.4XXA may differ.
The following code(s) above T27.4XXA 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 T27.4XXA:
  • 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
  • T27
    ICD-10-CM Diagnosis Code T27

    Burn and corrosion of respiratory tract

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)
    Burn and corrosion of respiratory tract
  • T27.4
    ICD-10-CM Diagnosis Code T27.4

    Corrosion of larynx and trachea

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • (T51-T65) to identify chemical and intent
    Corrosion of larynx and trachea
Approximate Synonyms
  • Chemical burn of larynx
  • Chemical burn of trachea
ICD-10-CM T27.4XXA is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 205 Other respiratory system diagnoses with mcc
  • 206 Other respiratory system diagnoses without mcc
  • 928 Full thickness burn with skin graft or inhalation injury with cc/mcc
  • 929 Full thickness burn with skin graft or inhalation injury without cc/mcc

Convert T27.4XXA 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
ICD-10-CM Codes Adjacent To T27.4XXA
T27.1XXS …… sequela
T27.2 Burn of other parts of respiratory tract
T27.2XXA …… initial encounter
T27.2XXD …… subsequent encounter
T27.2XXS …… sequela
T27.3 Burn of respiratory tract, part unspecified
T27.3XXA …… initial encounter
T27.3XXD …… subsequent encounter
T27.3XXS …… sequela
T27.4 Corrosion of larynx and trachea
T27.4XXA …… initial encounter
T27.4XXD …… subsequent encounter
T27.4XXS …… sequela
T27.5 Corrosion involving larynx and trachea with lung
T27.5XXA …… initial encounter
T27.5XXD …… subsequent encounter
T27.5XXS …… sequela
T27.6 Corrosion of other parts of respiratory tract
T27.6XXA …… initial encounter
T27.6XXD …… subsequent encounter
T27.6XXS …… sequela

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