Instruction Source: T78.3XXD
Angioneurotic edema, subsequent encounter
Instruction Source: T78.3
Angioneurotic edema
Excludes 1 (Mutually Exclusive)
- serum urticaria (T80.6-)
- urticaria (L50.-)
Instruction Source: T78
Adverse effects, not elsewhere classified
Excludes 2 (Not Included Here)
- complications of surgical and medical care NEC (T80-T88)
Instruction Source: T66-T78
Other and unspecified effects of external causes (T66-T78)
Instruction Source: S00-T88
Injury, poisoning and certain other consequences of external causes
Excludes 2 (Not Included Here)
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Clinical 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