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2. ICD-10 Codes
3. Chapter - R00-R99
4. Section - R50-R69
5. Category - R50
6. R50.81

R50.81 - Fever presenting with conditions classified elsewhere

• Applicable to Fever presenting with conditions classified elsewhere
• The 2025 edition of ICD10-CM R50.81 became effective on October 1, 2024.
• This is the American ICD10-CM version of R50.81 - other international versions of ICD10 R50.81 may differ.
• R50.81 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

codefirst

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

The following codes above R50.81 contain annotation back-references that may be applicable to R50.81:

• 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

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.