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

Corrosion of larynx and trachea, subsequent encounter

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • T27.4XXD 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 T27.4XXD became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T27.4XXD - other international versions of ICD-10 T27.4XXD may differ.
The following code(s) above T27.4XXD 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 T27.4XXD:
  • 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
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • T27.4XXD is considered exempt from POA reporting.
ICD-10-CM T27.4XXD is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 949 Aftercare with cc/mcc
  • 950 Aftercare without cc/mcc

Convert T27.4XXD 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 T27.4XXD
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
T27.7 Corrosion of respiratory tract, part unspecified

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