2021 ICD-10-CM Codes for Burn and corrosion of respiratory tract (T27)

Instructional Notations

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

  • external cause code to identify the source and intent of the burn X00 X19 X75 X77 X96 X98

7th Character Note 7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

  • The appropriate 7th character is to be added to each code from category T27

7th Character 7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
    • ICD-10 Index

      • Injury, poisoning and certain other consequences of external causes (S00–T98)

        • Burns and corrosions confined to eye and internal organs (T26-T28)

            • Burn and corrosion of respiratory tract (T27)
            • T27 - Burn and corrosion of respiratory tract NON-BILLABLE CODE
            • T27.0 - Burn of larynx and trachea NON-BILLABLE CODE
            • T27.0XXA - Burn of larynx and trachea, initial encounter BILLABLE CODE
            • T27.0XXD - Burn of larynx and trachea, subsequent encounter BILLABLE CODE
            • T27.0XXS - Burn of larynx and trachea, sequela BILLABLE CODE
            • T27.1 - Burn involving larynx and trachea with lung NON-BILLABLE CODE
            • T27.1XXA - Burn involving larynx and trachea with lung, init encntr BILLABLE CODE
            • T27.1XXD - Burn involving larynx and trachea with lung, subs encntr BILLABLE CODE
            • T27.1XXS - Burn involving larynx and trachea with lung, sequela BILLABLE CODE
            • T27.2 - Burn of other parts of respiratory tract NON-BILLABLE CODE
            • T27.2XXA - Burn of other parts of respiratory tract, initial encounter BILLABLE CODE
            • T27.2XXD - Burn of other parts of respiratory tract, subs encntr BILLABLE CODE
            • T27.2XXS - Burn of other parts of respiratory tract, sequela BILLABLE CODE
            • T27.3 - Burn of respiratory tract, part unspecified NON-BILLABLE CODE
            • T27.3XXA - Burn of respiratory tract, part unspecified, init encntr BILLABLE CODE
            • T27.3XXD - Burn of respiratory tract, part unspecified, subs encntr BILLABLE CODE
            • T27.3XXS - Burn of respiratory tract, part unspecified, sequela BILLABLE CODE
            • T27.4 - Corrosion of larynx and trachea NON-BILLABLE CODE
            • T27.4XXA - Corrosion of larynx and trachea, initial encounter BILLABLE CODE
            • T27.4XXD - Corrosion of larynx and trachea, subsequent encounter BILLABLE CODE
            • T27.4XXS - Corrosion of larynx and trachea, sequela BILLABLE CODE
            • T27.5 - Corrosion involving larynx and trachea with lung NON-BILLABLE CODE
            • T27.5XXA - Corrosion involving larynx and trachea w lung, init encntr BILLABLE CODE
            • T27.5XXD - Corrosion involving larynx and trachea w lung, subs encntr BILLABLE CODE
            • T27.5XXS - Corrosion involving larynx and trachea with lung, sequela BILLABLE CODE
            • T27.6 - Corrosion of other parts of respiratory tract NON-BILLABLE CODE
            • T27.6XXA - Corrosion of other parts of respiratory tract, init encntr BILLABLE CODE
            • T27.6XXD - Corrosion of other parts of respiratory tract, subs encntr BILLABLE CODE
            • T27.6XXS - Corrosion of other parts of respiratory tract, sequela BILLABLE CODE
            • T27.7 - Corrosion of respiratory tract, part unspecified NON-BILLABLE CODE
            • T27.7XXA - Corrosion of respiratory tract, part unsp, init encntr BILLABLE CODE
            • T27.7XXD - Corrosion of respiratory tract, part unsp, subs encntr BILLABLE CODE
            • T27.7XXS - Corrosion of respiratory tract, part unspecified, sequela BILLABLE CODE