T88.3

Billable

Malignant hyperthermia due to anesthesia

T88.3 is the ICD-10-CM code for Malignant hyperthermia due to anesthesia. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
S00-T88
Parent
T88
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Use additional code

  • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)

Frequently asked questions

What is ICD-10 code T88.3?
T88.3 is the ICD-10-CM code for "Malignant hyperthermia due to anesthesia". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T88.3 a billable code?
Yes — T88.3 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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