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ICD-10-CM category T88: Other complications of surgical and medical care, not elsewhere classified

Category T88 is a heading in chapter 19 (Injury, poisoning and certain other consequences of external causes (S00-T88)), section Complications of surgical and medical care, not elsewhere classified (T80-T88). It is not billable; report one of the 39 complete codes below.

Notes that apply to every T88 code

Excludes2 (not part of this condition, may be coded together)
  • 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

Billable codes in T88

Billable FY2027 ICD-10-CM codes in category T88
CodeDescription
T88.0XXAInfection following immunization, initial encounter
T88.0XXDInfection following immunization, subsequent encounter
T88.0XXSInfection following immunization, sequela
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
T88.2XXAShock due to anesthesia, initial encounter
T88.2XXDShock due to anesthesia, subsequent encounter
T88.2XXSShock due to anesthesia, sequela
T88.3XXAMalignant hyperthermia due to anesthesia, initial encounter
T88.3XXDMalignant hyperthermia due to anesthesia, subsequent encounter
T88.3XXSMalignant hyperthermia due to anesthesia, sequela
T88.4XXAFailed or difficult intubation, initial encounter
T88.4XXDFailed or difficult intubation, subsequent encounter
T88.4XXSFailed or difficult intubation, sequela
T88.51XAHypothermia following anesthesia, initial encounter
T88.51XDHypothermia following anesthesia, subsequent encounter
T88.51XSHypothermia following anesthesia, sequela
T88.52XAFailed moderate sedation during procedure, initial encounter
T88.52XDFailed moderate sedation during procedure, subsequent encounter
T88.52XSFailed moderate sedation during procedure, sequela
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
T88.59XAOther complications of anesthesia, initial encounter
T88.59XDOther complications of anesthesia, subsequent encounter
T88.59XSOther complications of anesthesia, sequela
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
T88.7XXAUnspecified 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
T88.8XXAOther 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
T88.9XXAComplication 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

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.