Other complications of surgical and medical care, not elsewhere classified
In Complications of surgical and medical care, not elsewhere classified (T80-T88), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes
39 billable codes under T88: 5 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Excludes2: not included here, code separately if applicable
- complication following infusion, transfusion and therapeutic injection (T80.-)
- complication following procedure NEC (T81.-)
- complications of anesthesia in labor and delivery (O74.-)
- complications of anesthesia in pregnancy (O29.-)
- complications of anesthesia in puerperium (O89.-)
- complications of devices, implants and grafts (T82-T85)
- complications of obstetric surgery and procedure (O75.4)
- dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
- specified complications classified elsewhere
Also applies, from Complications of surgical and medical care, not elsewhere classified (T80-T88)
These notes sit on T80-T88 and apply to every code under it, including T88.
Excludes2: not included here, code separately if applicable
- 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)
Use additional code: add a second code for this, listed after this one
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
- Section I.C.19.g Complications of care (page 85), covers T88
Use T86 plus a code for the complication only when it affects transplanted organ function. Body system complication codes are sequenced first unless indexed to a T code, and device pain also gets G89.18 or G89.28.
Other Chapter 19 topics:
- Application of 7th Characters in Chapter 19 (page 77)
- Coding of Injuries (page 78)
- Coding of Traumatic Fractures (page 79)
- Coding of Burns and Corrosions (page 80)
- Adverse Effects, Poisoning, Underdosing and Toxic Effects (page 82)
- Adult and child abuse, neglect and other maltreatment (page 85)
All codes under T88
T88 can't be used on a claim. Pick a billable code below; grey headings group them.
- T88.0Infection following immunization
- T88.0XXAInfection following immunization, initial encounter
- T88.0XXDInfection following immunization, subsequent encounter
- T88.0XXSInfection following immunization, sequela
- T88.1Other complications following immunization, not elsewhere classified
- T88.1XXAOther complications following immunization, not elsewhere classified, initial encounter
- T88.1XXDOther complications following immunization, not elsewhere classified, subsequent encounter
- T88.1XXSOther complications following immunization, not elsewhere classified, sequela
- T88.2Shock due to anesthesia
- T88.2XXAShock due to anesthesia, initial encounter
- T88.2XXDShock due to anesthesia, subsequent encounter
- T88.2XXSShock due to anesthesia, sequela
- T88.3Malignant hyperthermia due to anesthesia
- T88.3XXAMalignant hyperthermia due to anesthesia, initial encounter
- T88.3XXDMalignant hyperthermia due to anesthesia, subsequent encounter
- T88.3XXSMalignant hyperthermia due to anesthesia, sequela
- T88.4Failed or difficult intubation
- T88.4XXAFailed or difficult intubation, initial encounter
- T88.4XXDFailed or difficult intubation, subsequent encounter
- T88.4XXSFailed or difficult intubation, sequela
- T88.5Other complications of anesthesia
- T88.51Hypothermia following anesthesia
- T88.51XAHypothermia following anesthesia, initial encounter
- T88.51XDHypothermia following anesthesia, subsequent encounter
- T88.51XSHypothermia following anesthesia, sequela
- T88.52Failed moderate sedation during procedure
- T88.52XAFailed moderate sedation during procedure, initial encounter
- T88.52XDFailed moderate sedation during procedure, subsequent encounter
- T88.52XSFailed moderate sedation during procedure, sequela
- T88.53Unintended awareness under general anesthesia during procedure
- T88.53XAUnintended awareness under general anesthesia during procedure, initial encounter
- T88.53XDUnintended awareness under general anesthesia during procedure, subsequent encounter
- T88.53XSUnintended awareness under general anesthesia during procedure, sequela
- T88.59Other complications of anesthesia
- T88.59XAOther complications of anesthesia, initial encounter
- T88.59XDOther complications of anesthesia, subsequent encounter
- T88.59XSOther complications of anesthesia, sequela
- T88.6Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered
- T88.6XXAAnaphylactic reaction due to adverse effect of correct drug or medicament properly administered, initial encounter
- T88.6XXDAnaphylactic reaction due to adverse effect of correct drug or medicament properly administered, subsequent encounter
- T88.6XXSAnaphylactic reaction due to adverse effect of correct drug or medicament properly administered, sequela
- T88.7Unspecified adverse effect of drug or medicament
- T88.7XXAUnspecified adverse effect of drug or medicament, initial encounter
- T88.7XXDUnspecified adverse effect of drug or medicament, subsequent encounter
- T88.7XXSUnspecified adverse effect of drug or medicament, sequela
- T88.8Other specified complications of surgical and medical care, not elsewhere classified
- T88.8XXAOther specified complications of surgical and medical care, not elsewhere classified, initial encounter
- T88.8XXDOther specified complications of surgical and medical care, not elsewhere classified, subsequent encounter
- T88.8XXSOther specified complications of surgical and medical care, not elsewhere classified, sequela
- T88.9Complication of surgical and medical care, unspecified
- T88.9XXAComplication of surgical and medical care, unspecified, initial encounter
- T88.9XXDComplication of surgical and medical care, unspecified, subsequent encounter
- T88.9XXSComplication of surgical and medical care, unspecified, sequela
T88 MS-DRGs
As the principal diagnosis, the billable codes under T88 group to these 21 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 922 Other Injury, Poisoning and Toxic Effect Diagnoses with MCC (16 of 39 codes)
- DRG 923 Other Injury, Poisoning and Toxic Effect Diagnoses without MCC (16 of 39 codes)
- DRG 949 Aftercare with CC/MCC (13 of 39 codes)
- DRG 950 Aftercare without CC/MCC (13 of 39 codes)
- DRG 791 Prematurity with Major Problems (4 of 39 codes)
- DRG 793 Full Term Neonate with Major Problems (4 of 39 codes)
- DRG 919 Complications of Treatment with MCC (4 of 39 codes)
- DRG 920 Complications of Treatment with CC (4 of 39 codes)
- DRG 921 Complications of Treatment without CC/MCC (4 of 39 codes)
- DRG 917 Poisoning and Toxic Effects of Drugs with MCC (3 of 39 codes)
- DRG 918 Poisoning and Toxic Effects of Drugs without MCC (3 of 39 codes)
- DRG 856 Postoperative or Post-Traumatic Infections with O.R. Procedures with MCC (1 of 39 codes)
- DRG 857 Postoperative or Post-Traumatic Infections with O.R. Procedures with CC (1 of 39 codes)
- DRG 858 Postoperative or Post-Traumatic Infections with O.R. Procedures without CC/MCC (1 of 39 codes)
- DRG 865 Viral Illness with MCC (1 of 39 codes)
- DRG 866 Viral Illness without MCC (1 of 39 codes)
- DRG 867 Other Infectious and Parasitic Diseases Diagnoses with MCC (1 of 39 codes)
- DRG 868 Other Infectious and Parasitic Diseases Diagnoses with CC (1 of 39 codes)
- DRG 869 Other Infectious and Parasitic Diseases Diagnoses without CC/MCC (1 of 39 codes)
- DRG 915 Allergic Reactions with MCC (1 of 39 codes)
- DRG 916 Allergic Reactions without MCC (1 of 39 codes)
Other codes that refer to T88
Notes on these codes point to T88.
- CH10 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH11 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH13 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH14 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH16 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH3 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH6 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH7 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH8 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- CH9 Excludes2: injury, poisoning and certain other consequences of external causes (S00-T88)
- O9A.2 Includes: Conditions in S00-T88, except T74 and T76
- P00.89 Includes: Newborn affected by conditions classifiable to T80-T88
- R65.1 Code First: injury and trauma (S00-T88)
- T78 Excludes2: complications of surgical and medical care NEC (T80-T88)
- T79 Excludes2: complications occurring during or following medical procedures (T80-T88)
- T79 Excludes2: complications of surgical and medical care NEC (T80-T88)
- Z87.82 Includes: Conditions classifiable to S00-T88, except traumatic fractures
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
