T81 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Complications of procedures, not elsewhere classified.
Use additional code
Code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Type 2 excludes
Complications following immunization (T88.0-T88.1)
Complications following infusion, transfusion and therapeutic injection (T80.-)
Complications of transplanted organs and tissue (T86.-)
Specified complications classified elsewhere, such as:
Complication of prosthetic devices, implants and grafts (T82-T85)
Dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
Endosseous dental implant failure (M27.6-)
Floppy iris syndrome (IFIS) (intraoperative) H21.81
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.-)
Plateau iris syndrome (post-iridectomy) (postprocedural) H21.82
Poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
Seventh character note
The appropriate 7th character is to be added to each code from category T81
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
T81.1
Postprocedural shock
T81.3
Disruption of wound, not elsewhere classified
T81.4
Infection following a procedure
T81.5
Complications of foreign body accidentally left in body following procedure
T81.6
Acute reaction to foreign substance accidentally left during a procedure
T81.7
Vascular complications following a procedure, not elsewhere classified
T81.8
Other complications of procedures, not elsewhere classified
T81.9
Unspecified complication of procedure
Versions
2025
No changes
2024
Code changed
Type 2 excludes
complications following immunization (T88.0-T88.1)complications following infusion, transfusion and therapeutic injection (T80.-)complications of transplanted organs and tissue (T86.-)specified complications classified elsewhere, such as:complication of prosthetic devices, implants and grafts (T82-T85)dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)endosseous dental implant failure (M27.6-)floppy iris syndrome (IFIS) (intraoperative) H21.81intraoperative 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.-)ostomy complications (J95.0-, K94.-, N99.5-)plateau iris syndrome (post-iridectomy) (postprocedural) H21.82poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- complications following immunization (T88.0-T88.1)
- complications following infusion, transfusion and therapeutic injection (T80.-)
- complications of transplanted organs and tissue (T86.-)
- specified complications classified elsewhere, such as:
- complication of prosthetic devices, implants and grafts (T82-T85)
- dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
- endosseous dental implant failure (M27.6-)
- floppy iris syndrome (IFIS) (intraoperative) H21.81
- 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.-)
- ostomy complications (J95.0-, K94.-, N99.5-)
- plateau iris syndrome (post-iridectomy) (postprocedural) H21.82
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code