T27.7
Non-billableCorrosion of respiratory tract, part unspecified
Corrosion of respiratory tract, part unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Code First
The underlying condition must be sequenced before this code
Use Additional Code
Additional codes that should follow this code
Child Codes (3)
Related Codes(7)
T27.0Burn of larynx and trachea
T27.1Burn involving larynx and trachea with lung
T27.2Burn of other parts of respiratory tract
T27.3Burn of respiratory tract, part unspecified
T27.4Corrosion of larynx and trachea
T27.5Corrosion involving larynx and trachea with lung
T27.6Corrosion of other parts of respiratory tract
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for corrosion of respiratory tract, part unspecified?
The ICD-10-CM code for corrosion of respiratory tract, part unspecified is T27.7. The full clinical description is "Corrosion of respiratory tract, part unspecified". T27.7 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T27.7 mean?
ICD-10-CM code T27.7 represents “Corrosion of respiratory tract, part unspecified”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is T27.7 a billable code?
No, T27.7 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T27.7.
What chapter is T27.7 in?
T27.7 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T27.7?
T27.7 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under T27.7?
T27.7 has 3 child codes, including: T27.7XXA (Corrosion of respiratory tract, part unsp, init encntr), T27.7XXD (Corrosion of respiratory tract, part unsp, subs encntr), T27.7XXS (Corrosion of respiratory tract, part unspecified, sequela).
Are additional codes required with T27.7?
Yes, when using T27.7, also report: any retained foreign body, if applicable (Z18.-); external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98).
What are the UMLS CUIs for T27.7?
T27.7 is linked to 1 UMLS Concept Unique Identifier: C0478418. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T27.7 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like corrosion of respiratory tract, part unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of T27.7?
T27.7 maps to the ICD-11 code: NE01 (Burn of respiratory tract).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.