T81.40
⚠ Non-billable (Header)Infection following a procedure, unspecified
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • bleb associated endophthalmitis (H59.4-)
- • infection due to infusion, transfusion and therapeutic injection (T80.2-)
- • infection due to prosthetic devices, implants and grafts (T82.6-T82.7, T83.5-T83.6, T84.5-T84.7, T85.7)
- • obstetric surgical wound infection (O86.0-)
- • postprocedural fever NOS (R50.82)
- • postprocedural retroperitoneal abscess (K68.11)
- • 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)
📋 Code Instructions
inherited- • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Child Codes (3)
Clinical Description
ICD-10-CM code T81.40 represents infection following a procedure, unspecified. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under T81.40.
Frequently Asked Questions
What is ICD-10 code T81.40?
ICD-10-CM code T81.40 is "Infection following a procedure, unspecified". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T81.40 a billable ICD-10 code?
No, T81.40 is a non-billable header code. A more specific child code must be used for billing.
Can T81.40 be coded with other codes?
T81.40 has 18 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T81.4
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)