ICD-10-CM Diagnosis Code (2025)
Official Description for R51.9
Headache, unspecified
Coding Notes & Guidelines for R51.9
Inclusion Terms
Facial pain NOS
Parent Code (Less Specific):
About ICD-10-CM Code R51.9 (Headache)
ICD-10-CM code R51.9 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 R51.9 became effective on October 1, 2024.
This page provides detailed information about R51.9 - Headache, unspecified. 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 Headache related to unspecified.