ICD-10-CM R40.20: Unspecified coma

ICD-10-CM Diagnosis Code (2025)

Official Description for R40.20

Unspecified coma

Coding Notes & Guidelines for R40.20

Inclusion Terms
  • Coma NOS
  • Unconsciousness NOS

Parent Code (Less Specific):

About ICD-10-CM Code R40.20 (Unspecified coma)

ICD-10-CM code R40.20 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 R40.20 became effective on October 1, 2024.

This page provides detailed information about R40.20 - Unspecified coma. 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 Unspecified coma.