Hyperthermia (of unknown origin) - in the ICD-10-CM Index

Browse the ICD-10-CM codes with references applicable to the clinical term "hyperthermia (of unknown origin)"

• Hyperthermia (of unknown origin) - See Also: Hyperpyrexia;

  • malignant, due to anesthesia - T88.3 Malignant hyperthermia due to anesthesia

  • newborn - P81.9 Disturbance of temperature regulation of newborn, unspecified

    • environmental - P81.0 Environmental hyperthermia of newborn

Infant, Newborn: An infant during the first 28 days after birth.