T81
ICD-10Non-billable categoryComplications of procedures, not elsewhere classified
Official ICD-10-CM descriptor (FY2026)
Complications of procedures, not elsewhere classified
T81 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- 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)
Use additional code
Report an additional code to identify the associated condition.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
7th character
- The appropriate 7th character is to be added to each code from category T81
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under T81
- T81.1Postprocedural shockcategory
- T81.3Disruption of wound, not elsewhere classifiedcategory
- T81.4Infection following a procedurecategory
- T81.5Comp of foreign body acc left in body following procedurecategory
- T81.6Acute reaction to foreign substance acc left dur proccategory
- T81.7Vascular complications following a procedure, NECcategory
- T81.8Other complications of procedures, not elsewhere classifiedcategory
- T81.9Unspecified complication of procedurecategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.