ICD-10-CM R50.81: Fever presenting with conditions classified elsewhere

ICD-10-CM Diagnosis Code (2025)

Official Description for R50.81

Fever presenting with conditions classified elsewhere

Coding Notes & Guidelines for R50.81

Code First
  • underlying condition when associated fever is present, such as with:
  • leukemia (C91-C95)
  • neutropenia (D70.-)
  • sickle-cell disease (D57.-)

Parent Code (Less Specific):

R50 - Fever of other and unknown origin

About ICD-10-CM Code R50.81 (Fever presenting with conditions classified elsewhere)

ICD-10-CM code R50.81 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 R50.81 became effective on October 1, 2024.

This page provides detailed information about R50.81 - Fever presenting with conditions classified elsewhere. 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 Fever presenting with conditions classified elsewhere.