intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)
poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
Use additional code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
7th character note
The appropriate 7th character is to be added to each code from category T81
7th character required
A — initial encounter
D — subsequent encounter
S — sequela
Code annotations containing back-references to T81.9
Back-references to T81
Code First: J98.51 Mediastinitis ("underlying condition, if applicable, such as postoperative mediastinitis (T81.-)")
Type 2 Excludes: T78 Adverse effects, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications occurring during or following medical procedures (T80-T88)")
Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
Type 2 Excludes: T88 Other complications of surgical and medical care, not elsewhere classified ("complication following procedure NEC (T81.-)")
Diagnosis Index entries for T81.9
Complication (s) (from) (of) › surgical procedure (on)