T88: Other complications of surgical and medical care, not elsewhere classified

Codes under T88 (Other complications of surgical and medical care, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
T88.0	Infection following immunization	—
T88.0XXA	Infection following immunization, initial encounter	✓
T88.0XXD	Infection following immunization, subsequent encounter	✓
T88.0XXS	Infection following immunization, sequela	✓
T88.1	Other complications following immunization, not elsewhere classified	—
T88.1XXA	Other complications following immunization, not elsewhere classified, initial encounter	✓
T88.1XXD	Other complications following immunization, not elsewhere classified, subsequent encounter	✓
T88.1XXS	Other complications following immunization, not elsewhere classified, sequela	✓
T88.2	Shock due to anesthesia	—
T88.2XXA	Shock due to anesthesia, initial encounter	✓
T88.2XXD	Shock due to anesthesia, subsequent encounter	✓
T88.2XXS	Shock due to anesthesia, sequela	✓
T88.3	Malignant hyperthermia due to anesthesia	—
T88.3XXA	Malignant hyperthermia due to anesthesia, initial encounter	✓
T88.3XXD	Malignant hyperthermia due to anesthesia, subsequent encounter	✓
T88.3XXS	Malignant hyperthermia due to anesthesia, sequela	✓
T88.4	Failed or difficult intubation	—
T88.4XXA	Failed or difficult intubation, initial encounter	✓
T88.4XXD	Failed or difficult intubation, subsequent encounter	✓
T88.4XXS	Failed or difficult intubation, sequela	✓
T88.5	Other complications of anesthesia	—
T88.6	Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered	—
T88.6XXA	Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered, initial encounter	✓
T88.6XXD	Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered, subsequent encounter	✓
T88.6XXS	Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered, sequela	✓
T88.7	Unspecified adverse effect of drug or medicament	—
T88.7XXA	Unspecified adverse effect of drug or medicament, initial encounter	✓
T88.7XXD	Unspecified adverse effect of drug or medicament, subsequent encounter	✓
T88.7XXS	Unspecified adverse effect of drug or medicament, sequela	✓
T88.8	Other specified complications of surgical and medical care, not elsewhere classified	—
T88.8XXA	Other specified complications of surgical and medical care, not elsewhere classified, initial encounter	✓
T88.8XXD	Other specified complications of surgical and medical care, not elsewhere classified, subsequent encounter	✓
T88.8XXS	Other specified complications of surgical and medical care, not elsewhere classified, sequela	✓
T88.9	Complication of surgical and medical care, unspecified	—
T88.9XXA	Complication of surgical and medical care, unspecified, initial encounter	✓
T88.9XXD	Complication of surgical and medical care, unspecified, subsequent encounter	✓
T88.9XXS	Complication of surgical and medical care, unspecified, sequela	✓
T88.51	Hypothermia following anesthesia	—
T88.51XA	Hypothermia following anesthesia, initial encounter	✓
T88.51XD	Hypothermia following anesthesia, subsequent encounter	✓
T88.51XS	Hypothermia following anesthesia, sequela	✓
T88.52	Failed moderate sedation during procedure	—
T88.52XA	Failed moderate sedation during procedure, initial encounter	✓
T88.52XD	Failed moderate sedation during procedure, subsequent encounter	✓
T88.52XS	Failed moderate sedation during procedure, sequela	✓
T88.53	Unintended awareness under general anesthesia during procedure	—
T88.53XA	Unintended awareness under general anesthesia during procedure, initial encounter	✓
T88.53XD	Unintended awareness under general anesthesia during procedure, subsequent encounter	✓
T88.53XS	Unintended awareness under general anesthesia during procedure, sequela	✓
T88.59	Other complications of anesthesia	—
T88.59XA	Other complications of anesthesia, initial encounter	✓
T88.59XD	Other complications of anesthesia, subsequent encounter	✓
T88.59XS	Other complications of anesthesia, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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