T78

Adverse effects, not elsewhere classified

Requires 7th character

T78 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes

  • 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
  • Note: 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.

Excludes2

Not included here — may be reported together when both conditions exist.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • complications of surgical and medical care NEC (T80-T88)

Use additional code

Add a code to identify the following, if applicable.

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

Code also

An additional code may be needed.

  • , if applicable, place of occurrence, such as:
  • highway rest stop (Y92.523)
  • school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
  • service areas as the place of occurrence of the external cause (Y92.52-)
  • single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
  • transport vehicle as the place of occurrence of the external cause (Y92.81-)

7th character

This code requires a 7th character. Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

More specific codes T78

  • T78.0Anaphylactic reaction due to foodNeeds 7th char
  • T78.1Other adverse food reactions, not elsewhere classifiedNeeds 7th char
  • T78.2Anaphylactic shock, unspecifiedNeeds 7th char
  • T78.3Angioneurotic edemaNeeds 7th char
  • T78.4Other and unspecified allergyNeeds 7th char
  • T78.8Other adverse effects, not elsewhere classifiedNeeds 7th char

Related codes

  • T66Radiation sickness, unspecifiedNeeds 7th char
  • T67Effects of heat and lightNeeds 7th char
  • T68HypothermiaNeeds 7th char
  • T69Other effects of reduced temperatureNeeds 7th char
  • T70Effects of air pressure and water pressureNeeds 7th char
  • T71AsphyxiationNeeds 7th char
  • T73Effects of other deprivationNeeds 7th char
  • T74Adult and child abuse, neglect and other maltreatment, confirmedNeeds 7th char
  • T75Other and unspecified effects of other external causesNeeds 7th char
  • T76Adult and child abuse, neglect and other maltreatment, suspectedNeeds 7th char

Browse