Kodex

Code

T78.3XXA

initial encounter

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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
    - T78.3 Angioneurotic edema
      - T78.3XXA initial encounter
      - T78.3XXD subsequent encounter
      - T78.3XXS sequela

Long Title

T78.3XXA

Angioneurotic edema initial encounter

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

T78.3XXA

Allergic angioedema
Giant urticaria
Quincke's edema

Allergic angioedema
Giant urticaria
Quincke's edema

Use Additional

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

Excludes 1

T78.3XXA

serum urticaria (T80.6-)
- T80.6 Other serum reactions
L50 Urticaria

serum urticaria (T80.6-)
- T80.6 Other serum reactions
L50 Urticaria

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)