U.S. ICD-10-CM reference · FY2026 · April
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T28Category · further specificity requiredArchived

Burn and corrosion of other internal organs

HierarchyT26-T28 · T28

Code-level instructions

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)
Seventh character

The appropriate 7th character is to be added to each code from category T28

A — initial encounter

D — subsequent encounter

S — sequela

Inherited instructions

Chapters 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Excludes 2
Use additional code

code to identify any retained foreign body, if applicable (Z18.-)

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
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

T20-T32 · Burns and corrosions (T20-T32)

Includes
  • burns (thermal) from electrical heating appliances
  • burns (thermal) from electricity
  • burns (thermal) from flame
  • burns (thermal) from friction
  • burns (thermal) from hot air and hot gases
  • burns (thermal) from hot objects
  • burns (thermal) from lightning
  • burns (thermal) from radiation
  • chemical burn [corrosion] (external) (internal)
  • scalds
Excludes 2
  • erythema [dermatitis] ab igne (L59.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • sunburn (L55.-)

More specific codes

T28.0Burn of mouth and pharynxCategory · further specificity requiredT28.1Burn of esophagusCategory · further specificity requiredT28.2Burn of other parts of alimentary tractCategory · further specificity requiredT28.3Burn of internal genitourinary organsCategory · further specificity requiredT28.4Burns of other and unspecified internal organsCategory · further specificity requiredT28.5Corrosion of mouth and pharynxCategory · further specificity requiredT28.6Corrosion of esophagusCategory · further specificity requiredT28.7Corrosion of other parts of alimentary tractCategory · further specificity requiredT28.8Corrosion of internal genitourinary organsCategory · further specificity requiredT28.9Corrosions of other and unspecified internal organsCategory · further specificity required
Code edition