Kodex

Section

T78.2

Anaphylactic shock, unspecified

Hierarchy

S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- T66-T78 Other and unspecified effects of external causes (T66-T78)
  - T78 Adverse effects, not elsewhere classified
    - T78.2 Anaphylactic shock, unspecified
      - T78.2XXA initial encounter
      - T78.2XXD subsequent encounter
      - T78.2XXS sequela

Notes

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.

Inclusion Terms

T78.2

Allergic shock
Anaphylactic reaction
Anaphylaxis

Use Additional

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

Excludes 1

T78.2

anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6)
- T88.6 Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered
anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- T78.0 Anaphylactic reaction due to food
anaphylactic reaction or shock due to serum (T80.5-)
- T80.5 Anaphylactic reaction due to serum

P10-P15 Birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes 2

complications of surgical and medical care NEC (T80-T88)
- T80-T88 Complications of surgical and medical care, not elsewhere classified (T80-T88)