T28.0 is the authoritative medical code for Burn of mouth and pharynx. This classification is used in medical billing and clinical recording to specify the clinical criteria for burn of mouth and pharynx (ICD-10-CM T28.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Burn of mouth and pharynx is a non-billable ICD-10-CM category code T28.0. A more specific billable subcode must be selected for claims submission. Use additional code: external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98); external cause code to identify place Y92. 7th character: The appropriate 7th character is to be added to each code from category T28.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T28.0 in the official ICD-10-CM tabular list.
Use Additional Code
Supplementary codes the tabular list directs you to add.
- external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)
- external cause code to identify place Y92
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T28.0 be billed directly?
No. T28.0 (Burn of mouth and pharynx) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T28.0 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T28.
Is an additional code needed with T28.0?
Use additional code(s) to specify: external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98); external cause code to identify place (Y92).
Codes in This Family (3)
Official ICD-10-CM classifications in the same code family as T28.0, with their registry titles.
- T28.0A — Burn of mouth and pharynx, initial encounter
- T28.0D — Burn of mouth and pharynx, subsequent encounter
- T28.0S — Burn of mouth and pharynx, sequela
Indexed Clinical Terms (9)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), alimentary tract NEC, mouth
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), alimentary tract NEC, pharynx
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), internal organ (s), mouth
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), internal organ (s), pharynx
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), mouth
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), pharynx
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), throat (meaning pharynx)
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), tongue
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), tonsil (s)
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code T24.0
Burn of unspecified degree of lower limb, except ankle and foot