T81
Non-Billable

Complications of procedures, not elsewhere classified

Non-Billable / Non-Specific Code

What is Complications of procedures, not elsewhere classified?

ICD-10-CM T81 is the diagnosis code for Complications of procedures, not elsewhere classified. This code falls under the section "Complications of surgical and medical care, not elsewhere classified" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for T81

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in T81. If the patient has both, code each condition separately:

  • 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)

ICD-10-CM Code Hierarchy

Understanding where T81 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
T81.1Postprocedural shockNon-BillableT81.10Postprocedural shock unspecifiedBillableT81.11Postprocedural cardiogenic shockBillableT81.12Postprocedural septic shockBillableT81.19Other postprocedural shockBillableT81.3Disruption of wound, not elsewhere classifiedNon-BillableT81.30Disruption of wound, unspecifiedBillableT81.31Disruption of external operation (surgical) wound, not elsewhere classifiedBillableT81.32Disruption of internal operation (surgical) wound, not elsewhere classifiedNon-BillableT81.320Disruption or dehiscence of gastrointestinal tract anastomosis, repair, or closureBillableT81.321Disruption or dehiscence of closure of internal operation (surgical) wound of abdominal wall muscle or fasciaBillableT81.328Disruption or dehiscence of closure of other specified internal operation (surgical) woundBillableT81.329Deep disruption or dehiscence of operation wound, unspecifiedBillableT81.33Disruption of traumatic injury wound repairBillableT81.4Infection following a procedureNon-BillableT81.40Infection following a procedure, unspecifiedBillableT81.41Infection following a procedure, superficial incisional surgical siteBillableT81.42Infection following a procedure, deep incisional surgical siteBillableT81.43Infection following a procedure, organ and space surgical siteBillableT81.44Sepsis following a procedureBillableT81.49Infection following a procedure, other surgical siteBillableT81.5Complications of foreign body accidentally left in body following procedureNon-BillableT81.50Unspecified complication of foreign body accidentally left in body following procedureNon-BillableT81.500Unspecified complication of foreign body accidentally left in body following surgical operationBillableT81.501Unspecified complication of foreign body accidentally left in body following infusion or transfusionBillableT81.502Unspecified complication of foreign body accidentally left in body following kidney dialysisBillableT81.503Unspecified complication of foreign body accidentally left in body following injection or immunizationBillableT81.504Unspecified complication of foreign body accidentally left in body following endoscopic examinationBillableT81.505Unspecified complication of foreign body accidentally left in body following heart catheterizationBillableT81.506Unspecified complication of foreign body accidentally left in body following aspiration, puncture or other catheterizationBillableT81.507Unspecified complication of foreign body accidentally left in body following removal of catheter or packingBillableT81.508Unspecified complication of foreign body accidentally left in body following other procedureBillableT81.509Unspecified complication of foreign body accidentally left in body following unspecified procedureBillableT81.51Adhesions due to foreign body accidentally left in body following procedureNon-BillableT81.510Adhesions due to foreign body accidentally left in body following surgical operationBillableT81.511Adhesions due to foreign body accidentally left in body following infusion or transfusionBillableT81.512Adhesions due to foreign body accidentally left in body following kidney dialysisBillableT81.513Adhesions due to foreign body accidentally left in body following injection or immunizationBillableT81.514Adhesions due to foreign body accidentally left in body following endoscopic examinationBillableT81.515Adhesions due to foreign body accidentally left in body following heart catheterizationBillableT81.516Adhesions due to foreign body accidentally left in body following aspiration, puncture or other catheterizationBillableT81.517Adhesions due to foreign body accidentally left in body following removal of catheter or packingBillableT81.518Adhesions due to foreign body accidentally left in body following other procedureBillableT81.519Adhesions due to foreign body accidentally left in body following unspecified procedureBillableT81.52Obstruction due to foreign body accidentally left in body following procedureNon-BillableT81.520Obstruction due to foreign body accidentally left in body following surgical operationBillableT81.521Obstruction due to foreign body accidentally left in body following infusion or transfusionBillableT81.522Obstruction due to foreign body accidentally left in body following kidney dialysisBillableT81.523Obstruction due to foreign body accidentally left in body following injection or immunizationBillableT81.524Obstruction due to foreign body accidentally left in body following endoscopic examinationBillableT81.525Obstruction due to foreign body accidentally left in body following heart catheterizationBillableT81.526Obstruction due to foreign body accidentally left in body following aspiration, puncture or other catheterizationBillableT81.527Obstruction due to foreign body accidentally left in body following removal of catheter or packingBillableT81.528Obstruction due to foreign body accidentally left in body following other procedureBillableT81.529Obstruction due to foreign body accidentally left in body following unspecified procedureBillableT81.53Perforation due to foreign body accidentally left in body following procedureNon-BillableT81.530Perforation due to foreign body accidentally left in body following surgical operationBillableT81.531Perforation due to foreign body accidentally left in body following infusion or transfusionBillableT81.532Perforation due to foreign body accidentally left in body following kidney dialysisBillableT81.533Perforation due to foreign body accidentally left in body following injection or immunizationBillableT81.534Perforation due to foreign body accidentally left in body following endoscopic examinationBillableT81.535Perforation due to foreign body accidentally left in body following heart catheterizationBillableT81.536Perforation due to foreign body accidentally left in body following aspiration, puncture or other catheterizationBillableT81.537Perforation due to foreign body accidentally left in body following removal of catheter or packingBillableT81.538Perforation due to foreign body accidentally left in body following other procedureBillableT81.539Perforation due to foreign body accidentally left in body following unspecified procedureBillableT81.59Other complications of foreign body accidentally left in body following procedureNon-BillableT81.590Other complications of foreign body accidentally left in body following surgical operationBillableT81.591Other complications of foreign body accidentally left in body following infusion or transfusionBillableT81.592Other complications of foreign body accidentally left in body following kidney dialysisBillableT81.593Other complications of foreign body accidentally left in body following injection or immunizationBillableT81.594Other complications of foreign body accidentally left in body following endoscopic examinationBillableT81.595Other complications of foreign body accidentally left in body following heart catheterizationBillableT81.596Other complications of foreign body accidentally left in body following aspiration, puncture or other catheterizationBillableT81.597Other complications of foreign body accidentally left in body following removal of catheter or packingBillableT81.598Other complications of foreign body accidentally left in body following other procedureBillableT81.599Other complications of foreign body accidentally left in body following unspecified procedureBillableT81.6Acute reaction to foreign substance accidentally left during a procedureNon-BillableT81.60Unspecified acute reaction to foreign substance accidentally left during a procedureBillableT81.61Aseptic peritonitis due to foreign substance accidentally left during a procedureBillableT81.69Other acute reaction to foreign substance accidentally left during a procedureBillableT81.7Vascular complications following a procedure, not elsewhere classifiedNon-BillableT81.71Complication of artery following a procedure, not elsewhere classifiedNon-BillableT81.710Complication of mesenteric artery following a procedure, not elsewhere classifiedBillableT81.711Complication of renal artery following a procedure, not elsewhere classifiedBillableT81.718Complication of other artery following a procedure, not elsewhere classifiedBillableT81.719Complication of unspecified artery following a procedure, not elsewhere classifiedBillableT81.72Complication of vein following a procedure, not elsewhere classifiedBillableT81.8Other complications of procedures, not elsewhere classifiedNon-BillableT81.81Complication of inhalation therapyBillableT81.82Emphysema (subcutaneous) resulting from a procedureBillableT81.83Persistent postprocedural fistulaBillableT81.89Other complications of procedures, not elsewhere classifiedBillableT81.9Unspecified complication of procedureBillable
Related Codes

Frequently Asked Questions

Is T81 a billable ICD-10-CM code?

No, T81 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T81 mean?

T81 is the ICD-10-CM diagnosis code for "Complications of procedures, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T81 in?

T81 is located in Section T80-T88 — "Complications of surgical and medical care, not elsewhere classified" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T81?

T81 has 8 sub-code(s) that provide more specific detail: T81.1, T81.3, T81.4, T81.5, T81.6 and more.

When should I use T81?

Use T81 when the patients documented diagnosis matches "Complications of procedures, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Complications of procedures, not elsewhere classified?

The ICD-10-CM code for Complications of procedures, not elsewhere classified is T81.

Can T81 be used for primary diagnosis?

No, T81 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T81 in?

T81 is in Chapter 19 of the ICD-10-CM Tabular List.

Is T81 valid for 2026?

Yes, T81 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT80.A9Other non-ABO incompatibility reaction due to transfusion of blood or blood productsNext →T81.1Postprocedural shock
Code Details
T81
Complications of procedures, not elsewhere classified
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T80-T88 — Complications of surgical and medical care, not elsewhere classified
2026 ICD-10-CM