Aseptic peritonitis due to foreign substance accidentally left during a procedure

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

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

• Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
• The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

• any encounters with medical care for postprocedural conditions in which no complications are present, such as:
• artificial opening status (Z93.-)
• closure of external stoma (Z43.-)
• fitting and adjustment of external prosthetic device (Z44.-)
• burns and corrosions from local applications and irradiation (T20-T32)
• complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
• mechanical complication of respirator [ventilator] (J95.850)
• poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
• postprocedural fever (R50.82)
• specified complications classified elsewhere, such as:
• cerebrospinal fluid leak from spinal puncture (G97.0)
• colostomy malfunction (K94.0-)
• disorders of fluid and electrolyte imbalance (E86-E87)
• functional disturbances following cardiac surgery (I97.0-I97.1)
• intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
• ostomy complications (J95.0-, K94.-, N99.5-)
• postgastric surgery syndromes (K91.1)
• postlaminectomy syndrome NEC (M96.1)
• postmastectomy lymphedema syndrome (I97.2)
• postsurgical blind-loop syndrome (K91.2)
• ventilator associated pneumonia (J95.851)

• code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
• code(s) to identify the specified condition resulting from the complication
• code to identify devices involved and details of circumstances (Y62-Y82)

• 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 for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

The appropriate 7th character is to be added to each code from category T81

complications of foreign body accidentally left in body cavity or operation wound following procedure (T81.5-)