ICD-10-CM Diagnosis Code (2025)
Official Description for R63.6
Underweight
Coding Notes & Guidelines for R63.6
Excludes1: Not Coded Here
- abnormal weight loss (R63.4)
- anorexia nervosa (F50.0-)
- malnutrition (E40-E46)
Use Additional Code
code to identify body mass index (BMI), if known (Z68.-)
Parent Code (Less Specific):
About ICD-10-CM Code R63.6 (Underweight)
ICD-10-CM code R63.6 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 R63.6 became effective on October 1, 2024.
This page provides detailed information about R63.6 - Underweight. 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 Underweight.