R50.9 - Fever, unspecified

  • Applicable to Fever, unspecified
  • The 2025 edition of ICD10-CM R50.9 became effective on October 1, 2024.
  • This is the American ICD10-CM version of R50.9 - other international versions of ICD10 R50.9 may differ.
  • R50.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS

The following codes above R50.9 contain annotation back-references that may be applicable to R50.9:

Chapter: R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Section: R50-R69 General symptoms and signs

Category: R50 Fever of other and unknown origin

general icd 10
 
laboratory icd 10
 
findings icd 10
 
origin icd 10
 
clinical icd 10
 
fever icd 10
 
abnormal icd 10
 
Billable/Specific Code

Browse other similar CM codes

R50.2
 
R50.8
 
R50.81
 
R50.82
 
R50.83
 
R50.84
 
R50.9
 

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