Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)

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

Use Additional Code

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

All Codes Billable Only

Internal Codes

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T80.419A|
Rh incompatibility with hemolytic transfusion reaction, unspecified, initial encounter
T80.419D|
Rh incompatibility with hemolytic transfusion reaction, unspecified, subsequent encounter
T80.419S|
Rh incompatibility with hemolytic transfusion reaction, unspecified, sequela
T80.49|
Other Rh incompatibility reaction due to transfusion of blood or blood products
T80.49XA|
Other Rh incompatibility reaction due to transfusion of blood or blood products, initial encounter
T80.49XD|
Other Rh incompatibility reaction due to transfusion of blood or blood products, subsequent encounter
T80.49XS|
Other Rh incompatibility reaction due to transfusion of blood or blood products, sequela
T80.5|
Anaphylactic reaction due to serum
T80.51|
Anaphylactic reaction due to administration of blood and blood products
T80.51XA|
Anaphylactic reaction due to administration of blood and blood products, initial encounter
T80.51XD|
Anaphylactic reaction due to administration of blood and blood products, subsequent encounter
T80.51XS|
Anaphylactic reaction due to administration of blood and blood products, sequela
T80.52|
Anaphylactic reaction due to vaccination
T80.52XA|
Anaphylactic reaction due to vaccination, initial encounter
T80.52XD|
Anaphylactic reaction due to vaccination, subsequent encounter
T80.52XS|
Anaphylactic reaction due to vaccination, sequela
T80.59|
Anaphylactic reaction due to other serum
T80.59XA|
Anaphylactic reaction due to other serum, initial encounter
T80.59XD|
Anaphylactic reaction due to other serum, subsequent encounter
T80.59XS|
Anaphylactic reaction due to other serum, sequela
T80.6|
Other serum reactions
T80.61|
Other serum reaction due to administration of blood and blood products
T80.61XA|
Other serum reaction due to administration of blood and blood products, initial encounter
T80.61XD|
Other serum reaction due to administration of blood and blood products, subsequent encounter
T80.61XS|
Other serum reaction due to administration of blood and blood products, sequela
T80.62|
Other serum reaction due to vaccination
T80.62XA|
Other serum reaction due to vaccination, initial encounter
T80.62XD|
Other serum reaction due to vaccination, subsequent encounter
T80.62XS|
Other serum reaction due to vaccination, sequela
T80.69|
Other serum reaction due to other serum
T80.69XA|
Other serum reaction due to other serum, initial encounter
T80.69XD|
Other serum reaction due to other serum, subsequent encounter
T80.69XS|
Other serum reaction due to other serum, sequela
T80.8|
Other complications following infusion, transfusion and therapeutic injection
T80.81|
Extravasation of vesicant agent
T80.810|
Extravasation of vesicant antineoplastic chemotherapy
T80.810A|
Extravasation of vesicant antineoplastic chemotherapy, initial encounter
T80.810D|
Extravasation of vesicant antineoplastic chemotherapy, subsequent encounter
T80.810S|
Extravasation of vesicant antineoplastic chemotherapy, sequela
T80.818|
Extravasation of other vesicant agent
T80.818A|
Extravasation of other vesicant agent, initial encounter
T80.818D|
Extravasation of other vesicant agent, subsequent encounter
T80.818S|
Extravasation of other vesicant agent, sequela
T80.82|
Complication of immune effector cellular therapy
T80.82XA|
Complication of immune effector cellular therapy, initial encounter
T80.82XD|
Complication of immune effector cellular therapy, subsequent encounter
T80.82XS|
Complication of immune effector cellular therapy, sequela
T80.89|
Other complications following infusion, transfusion and therapeutic injection
T80.89XA|
Other complications following infusion, transfusion and therapeutic injection, initial encounter
T80.89XD|
Other complications following infusion, transfusion and therapeutic injection, subsequent encounter

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