10ICD Code Hub

T88.3

Billable code

Malignant hyperthermia due to anesthesia

The ICD-10 code for malignant hyperthermia due to anesthesia is T88.3.

Clinical notes

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

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