T28.9
Non-billableCorrosions of other and unspecified internal organs
Corrosions of other and unspecified internal organs
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(9)
T28.0Burn of mouth and pharynx
T28.1Burn of esophagus
T28.2Burn of other parts of alimentary tract
T28.3Burn of internal genitourinary organs
T28.4Burns of other and unspecified internal organs
T28.5Corrosion of mouth and pharynx
T28.6Corrosion of esophagus
T28.7Corrosion of other parts of alimentary tract
T28.8Corrosion of internal genitourinary organs
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 corrosions of other and unspecified internal organs?
The ICD-10-CM code for corrosions of other and unspecified internal organs is T28.9. The full clinical description is "Corrosions of other and unspecified internal organs". T28.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T28.9 mean?
ICD-10-CM code T28.9 represents “Corrosions of other and unspecified internal organs”. 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 T28.9 a billable code?
No, T28.9 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 T28.9.
What chapter is T28.9 in?
T28.9 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T28.9?
T28.9 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 T28.9?
T28.9 has 3 child codes, including: T28.90 (Corrosions of unspecified internal organs), T28.91 (Corrosions of ear drum), T28.99 (Corrosions of other internal organs).
Are additional codes required with T28.9?
Yes, when using T28.9, 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 T28.9?
T28.9 is linked to 1 UMLS Concept Unique Identifier: C0478411. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T28.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like corrosions of other and unspecified internal organs 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 T28.9?
T28.9 maps to the ICD-11 code: NE02 (Burn of other internal organs).
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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.