Docdemic

ICD-10 diagnosis code

R50 Fever of other and unknown origin

This page in Swedish

R50 is the ICD-10 code for Fever of other and unknown origin. It is a three-character category divided into 3 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block R50–R69 (General symptoms and signs) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

Code type
Category (3 characters)
Chapter
XVIII · R00–R99
Classification
WHO ICD-10, 2019 version

What R50 excludes

Conditions that look similar but belong under another code.

  • fever of unknown origin (during)(in):
  • puerperal pyrexia NOS O86.4

Subcodes of R50

R50 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

R50Feber av annan och okänd orsak

DenmarkICD-10-DK

DR50Feber af anden og ukendt årsag

FinlandICD-10-FI

R50Muusta tuntemattomasta syystä aiheutunut kuume

  • R50.0Kuumehorkka
  • R50.1Sitkeästi pysyvä kuume
GermanyICD-10-GM

R50Fieber sonstiger und unbekannter Ursache

FranceICD-10-FR

R50Fièvre d'origine autre et inconnue

NetherlandsICD-10-NL

R50koorts door overige en onbekende oorzaken

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

Look up another code

Stop looking codes up by hand

Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.

Try Docdemic free