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Definition: An abnormal elevation of body temperature, usually as a result of a pathologic process.

Body System: General

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ICD10 Codes Containing Term: fever

A01.00 Typhoid fever, unspecified
A01.02 Typhoid fever with heart involvement
A01.09 Typhoid fever with other complications
A01.1 Paratyphoid fever A
A01.2 Paratyphoid fever B
A01.3 Paratyphoid fever C
A01.4 Paratyphoid fever, unspecified
A25.9 Rat-bite fever, unspecified
A38.0 Scarlet fever with otitis media
A38.1 Scarlet fever with myocarditis
A38.8 Scarlet fever with other complications
A38.9 Scarlet fever, uncomplicated
A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]
A48.4 Brazilian purpuric fever
A68.0 Louse-borne relapsing fever
A68.1 Tick-borne relapsing fever
A68.9 Relapsing fever, unspecified
A75.0 Epidemic louse-borne typhus fever due to Rickettsia prowazekii
A75.2 Typhus fever due to Rickettsia typhi
A75.3 Typhus fever due to Rickettsia tsutsugamushi
A75.9 Typhus fever, unspecified
A77.0 Spotted fever due to Rickettsia rickettsii
A77.1 Spotted fever due to Rickettsia conorii
A77.2 Spotted fever due to Rickettsia siberica
A77.3 Spotted fever due to Rickettsia australis
A77.9 Spotted fever, unspecified
A78. Q fever
A79.0 Trench fever
A88.0 Enteroviral exanthematous fever [Boston exanthem]
A90. Dengue fever [classical dengue]
A91. Dengue hemorrhagic fever
A92.1 O'nyong-nyong fever
A92.2 Venezuelan equine fever
A92.4 Rift Valley fever
A92.9 Mosquito-borne viral fever, unspecified
A93.1 Sandfly fever
A93.2 Colorado tick fever
A94. Unspecified arthropod-borne viral fever
A95.0 Sylvatic yellow fever
A95.1 Urban yellow fever
A95.9 Yellow fever, unspecified
A96.0 Junin hemorrhagic fever
A96.1 Machupo hemorrhagic fever
A96.2 Lassa fever
A96.9 Arenaviral hemorrhagic fever, unspecified
A98.0 Crimean-Congo hemorrhagic fever
A98.1 Omsk hemorrhagic fever
A98.5 Hemorrhagic fever with renal syndrome
A99. Unspecified viral hemorrhagic fever
I00. Rheumatic fever without heart involvement
M04.1 Periodic fever syndromes
R50.2 Drug induced fever
R50.81 Fever presenting with conditions classified elsewhere
R50.82 Postprocedural fever
R50.83 Postvaccination fever
R50.9 Fever, unspecified
R68.83 Chills (without fever)
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