ICD-10-CM A81.83: Fatal familial insomnia

ICD-10-CM Diagnosis Code (2025)

Official Description for A81.83

Fatal familial insomnia

Coding Notes & Guidelines for A81.83

Inclusion Terms

FFI

Parent Code (Less Specific):

About ICD-10-CM Code A81.83 (Fatal familial insomnia)

ICD-10-CM code A81.83 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A81.83 became effective on October 1, 2024.

This page provides detailed information about A81.83 - Fatal familial insomnia. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Fatal familial insomnia.