Prodromal

Sibling codes

• XT1T – Subclinical
• XT3B – Asymptomatic
• XT44 – Recurrent
• XT4D – Relapse
• XT7X – Episodic
• XT98 – Active
• XT9C – Cause of late effect

Foundation entity

Prodromal – http://id.who.int/icd/entity/771466617