2020 ICD-10-CM Diagnosis Code T27.7XXA

Corrosion of respiratory tract, part unspecified, initial encounter

    2016 2017 2018 2019 2020 Billable/Specific Code
  • T27.7XXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Corrosion of respiratory tract, part unsp, init encntr
  • The 2020 edition of ICD-10-CM T27.7XXA became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T27.7XXA - other international versions of ICD-10 T27.7XXA may differ.
The following code(s) above T27.7XXA 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 T27.7XXA:
  • 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
  • T27.7
    ICD-10-CM Diagnosis Code T27.7

    Corrosion of respiratory tract, part unspecified

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • (T51-T65) to identify chemical and intent
    Corrosion of respiratory tract, part unspecified
Approximate Synonyms
  • Chemical burn of respiratory tract
ICD-10-CM T27.7XXA 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 T27.7XXA 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 T27.7XXA
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
T27.7 Corrosion of respiratory tract, part unspecified
T27.7XXA …… initial encounter
T27.7XXD …… subsequent encounter
T27.7XXS …… sequela
T28 Burn and corrosion of other internal organs
T28.0 Burn of mouth and pharynx
T28.0XXA …… initial encounter
T28.0XXD …… subsequent encounter
T28.0XXS …… sequela
T28.1 Burn of esophagus
T28.1XXA …… initial encounter
T28.1XXD …… subsequent encounter

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