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R50.81

✓ Billable

Fever presenting with conditions classified elsewhere

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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📋 Code Instructions

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

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Code Information

CodeR50.81
BillableYes
ParentR50.8
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)