Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)

"Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)" References in the ICD-10-CM Index to Diseases and Injuries

References in the ICD-10-CM Index to Diseases and Injuries applicable to the clinical term "fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)"

  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) - R50.9 Fever, unspecified
    • abortus - A23.1 Brucellosis due to Brucella abortus
    • Aden (dengue) - A90 Dengue fever [classical dengue]
    • African tick bite - A77.8 Other spotted fevers
    • African tick-borne - A68.1 Tick-borne relapsing fever
    • American
      • mountain (tick) - A93.2 Colorado tick fever
      • spotted - A77.0 Spotted fever due to Rickettsia rickettsii
    • aphthous - B08.8 Other specified viral infections characterized by skin and mucous membrane lesions
    • arbovirus, arboviral - A94 Unspecified arthropod-borne viral fever
      • hemorrhagic - A94 Unspecified arthropod-borne viral fever
      • specified NEC - A93.8 Other specified arthropod-borne viral fevers
    • Argentinian hemorrhagic - A96.0 Junin hemorrhagic fever
    • Assam - B55.0 Visceral leishmaniasis
    • Australian Q - A78 Q fever
    • Bangkok hemorrhagic - A91 Dengue hemorrhagic fever
    • Barmah forest - A92.8 Other specified mosquito-borne viral fevers
    • Bartonella - A44.0 Systemic bartonellosis
    • bilious, hemoglobinuric - B50.8 Other severe and complicated Plasmodium falciparum malaria
    • blackwater - B50.8 Other severe and complicated Plasmodium falciparum malaria
    • blister - B00.1 Herpesviral vesicular dermatitis
    • Bolivian hemorrhagic - A96.1 Machupo hemorrhagic fever
    • Bonvale dam - T73.3 Exhaustion due to excessive exertion
    • boutonneuse - A77.1 Spotted fever due to Rickettsia conorii
    • brain - See: Encephalitis;
    • Brazilian purpuric - A48.4 Brazilian purpuric fever
    • breakbone - A90 Dengue fever [classical dengue]
    • Bullis - A77.0 Spotted fever due to Rickettsia rickettsii
    • Bunyamwera - A92.8 Other specified mosquito-borne viral fevers
    • Burdwan - B55.0 Visceral leishmaniasis
    • Bwamba - A92.8 Other specified mosquito-borne viral fevers
    • Cameroon - See: Malaria;
    • Canton - A75.9 Typhus fever, unspecified
    • catarrhal (acute) - J00 Acute nasopharyngitis [common cold]
      • chronic - J31.0 Chronic rhinitis
    • cat-scratch - A28.1 Cat-scratch disease
    • Central Asian hemorrhagic - A98.0 Crimean-Congo hemorrhagic fever
    • cerebral - See: Encephalitis;
    • cerebrospinal meningococcal - A39.0 Meningococcal meningitis
    • Chagres - B50.9 Plasmodium falciparum malaria, unspecified
    • Chandipura - A92.8 Other specified mosquito-borne viral fevers
    • Changuinola - A93.1 Sandfly fever
    • Charcot's (biliary) (hepatic) (intermittent) - See: Calculus, bile duct;
    • Chikungunya (viral) (hemorrhagic) - A92.0 Chikungunya virus disease
    • Chitral - A93.1 Sandfly fever
    • Colombo - See: Fever, paratyphoid;
    • Colorado tick (virus) - A93.2 Colorado tick fever
    • congestive (remittent) - See: Malaria;
    • Congo virus - A98.0 Crimean-Congo hemorrhagic fever
    • continued malarial - B50.9 Plasmodium falciparum malaria, unspecified
    • Corsican - See: Malaria;
    • Crimean-Congo hemorrhagic - A98.0 Crimean-Congo hemorrhagic fever
    • Cyprus - See: Brucellosis;
    • dandy - A90 Dengue fever [classical dengue]
    • deer fly - See: Tularemia;
    • dengue (virus) - A90 Dengue fever [classical dengue]
      • hemorrhagic - A91 Dengue hemorrhagic fever
      • sandfly - A93.1 Sandfly fever
    • desert - B38.0 Acute pulmonary coccidioidomycosis
    • drug induced - R50.2 Drug induced fever
    • due to
      • conditions classified elsewhere - R50.81 Fever presenting with conditions classified elsewhere
      • heat - T67.01 Heatstroke and sunstroke
    • enteric - A01.00 Typhoid fever, unspecified
    • enteroviral exanthematous (Boston exanthem) - A88.0 Enteroviral exanthematous fever [Boston exanthem]
    • ephemeral (of unknown origin) - R50.9 Fever, unspecified
    • epidemic hemorrhagic - A98.5 Hemorrhagic fever with renal syndrome
    • erysipelatous - See: Erysipelas;
    • estivo-autumnal (malarial) - B50.9 Plasmodium falciparum malaria, unspecified
    • famine - A75.0 Epidemic louse-borne typhus fever due to Rickettsia prowazekii
    • five day - A79.0 Trench fever
    • following delivery - O86.4 Pyrexia of unknown origin following delivery
    • Fort Bragg - A27.89 Other forms of leptospirosis
    • gastroenteric - A01.00 Typhoid fever, unspecified
    • gastromalarial - See: Malaria;
    • Gibraltar - See: Brucellosis;
    • glandular - See: Mononucleosis, infectious;
    • Guama (viral) - A92.8 Other specified mosquito-borne viral fevers
    • Haverhill - A25.1 Streptobacillosis
    • hay (allergic) - J30.1 Allergic rhinitis due to pollen
      • due to
        • allergen other than pollen - J30.89 Other allergic rhinitis
        • pollen, any plant or tree - J30.1 Allergic rhinitis due to pollen
      • with asthma (bronchial) - J45.909 Unspecified asthma, uncomplicated
        • with
          • exacerbation (acute) - J45.901 Unspecified asthma with (acute) exacerbation
          • status asthmaticus - J45.902 Unspecified asthma with status asthmaticus
    • heat (effects) - T67.01 Heatstroke and sunstroke
    • hematuric, bilious - B50.8 Other severe and complicated Plasmodium falciparum malaria
    • hemoglobinuric (malarial) (bilious) - B50.8 Other severe and complicated Plasmodium falciparum malaria
    • hemorrhagic (arthropod-borne) NOS - A94 Unspecified arthropod-borne viral fever
      • arenaviral - A96.9 Arenaviral hemorrhagic fever, unspecified
        • specified NEC - A96.8 Other arenaviral hemorrhagic fevers
      • Argentinian - A96.0 Junin hemorrhagic fever
      • Bangkok - A91 Dengue hemorrhagic fever
      • Bolivian - A96.1 Machupo hemorrhagic fever
      • Central Asian - A98.0 Crimean-Congo hemorrhagic fever
      • Chikungunya - A92.0 Chikungunya virus disease
      • Crimean-Congo - A98.0 Crimean-Congo hemorrhagic fever
      • dengue (virus) - A91 Dengue hemorrhagic fever
      • epidemic - A98.5 Hemorrhagic fever with renal syndrome
      • Junin (virus) - A96.0 Junin hemorrhagic fever
      • Korean - A98.5 Hemorrhagic fever with renal syndrome
      • Kyasanur forest - A98.2 Kyasanur Forest disease
      • Machupo (virus) - A96.1 Machupo hemorrhagic fever
      • mite-borne - A93.8 Other specified arthropod-borne viral fevers
      • mosquito-borne - A92.8 Other specified mosquito-borne viral fevers
      • Omsk - A98.1 Omsk hemorrhagic fever
      • Philippine - A91 Dengue hemorrhagic fever
      • Russian - A98.5 Hemorrhagic fever with renal syndrome
      • Singapore - A91 Dengue hemorrhagic fever
      • Southeast Asia - A91 Dengue hemorrhagic fever
      • Thailand - A91 Dengue hemorrhagic fever
      • tick-borne NEC - A93.8 Other specified arthropod-borne viral fevers
      • viral - A99 Unspecified viral hemorrhagic fever
        • specified NEC - A98.8 Other specified viral hemorrhagic fevers
      • with renal syndrome - A98.5 Hemorrhagic fever with renal syndrome
    • hepatic - See: Cholecystitis;
    • herpetic - See: Herpes;
    • icterohemorrhagic - A27.0 Leptospirosis icterohemorrhagica
    • Indiana - A93.8 Other specified arthropod-borne viral fevers
    • infective - B99.9 Unspecified infectious disease
      • specified NEC - B99.8 Other infectious disease
    • intermittent (bilious) - See Also: Malaria;
      • of unknown origin - R50.9 Fever, unspecified
      • pernicious - B50.9 Plasmodium falciparum malaria, unspecified
    • iodide - R50.2 Drug induced fever
    • Japanese river - A75.3 Typhus fever due to Rickettsia tsutsugamushi
    • jungle - See Also: Malaria;
      • yellow - A95.0 Sylvatic yellow fever
    • Junin (virus) hemorrhagic - A96.0 Junin hemorrhagic fever
    • Katayama - B65.2 Schistosomiasis due to Schistosoma japonicum
    • kedani - A75.3 Typhus fever due to Rickettsia tsutsugamushi
    • Kenya (tick) - A77.1 Spotted fever due to Rickettsia conorii
    • Kew Garden - A79.1 Rickettsialpox due to Rickettsia akari
    • Korean hemorrhagic - A98.5 Hemorrhagic fever with renal syndrome
    • Lassa - A96.2 Lassa fever
    • Lone Star - A77.0 Spotted fever due to Rickettsia rickettsii
    • Machupo (virus) hemorrhagic - A96.1 Machupo hemorrhagic fever
    • malaria, malarial - See: Malaria;
    • Malta - A23.9 Brucellosis, unspecified
    • Marseilles - A77.1 Spotted fever due to Rickettsia conorii
    • marsh - See: Malaria;
    • Mayaro (viral) - A92.8 Other specified mosquito-borne viral fevers
    • Mediterranean - See Also: Brucellosis; - A23.9 Brucellosis, unspecified
      • familial - M04.1 Periodic fever syndromes
      • tick - A77.1 Spotted fever due to Rickettsia conorii
    • meningeal - See: Meningitis;
    • Meuse - A79.0 Trench fever
    • Mexican - A75.2 Typhus fever due to Rickettsia typhi
    • mianeh - A68.1 Tick-borne relapsing fever
    • miasmatic - See: Malaria;
    • mosquito-borne (viral) - A92.9 Mosquito-borne viral fever, unspecified
      • hemorrhagic - A92.8 Other specified mosquito-borne viral fevers
    • mountain - See Also: Brucellosis;
      • meaning Rocky Mountain spotted fever - A77.0 Spotted fever due to Rickettsia rickettsii
      • tick (American) (Colorado) (viral) - A93.2 Colorado tick fever
    • Mucambo (viral) - A92.8 Other specified mosquito-borne viral fevers
    • mud - A27.9 Leptospirosis, unspecified
    • Neapolitan - See: Brucellosis;
    • neutropenic - D70.9 Neutropenia, unspecified
    • newborn - P81.9 Disturbance of temperature regulation of newborn, unspecified
      • environmental - P81.0 Environmental hyperthermia of newborn
    • Nine-Mile - A78 Q fever
    • non-exanthematous tick - A93.2 Colorado tick fever
    • North Asian tick-borne - A77.2 Spotted fever due to Rickettsia siberica
    • Omsk hemorrhagic - A98.1 Omsk hemorrhagic fever
    • O'nyong-nyong (viral) - A92.1 O'nyong-nyong fever
    • Oropouche (viral) - A93.0 Oropouche virus disease
    • Oroya - A44.0 Systemic bartonellosis
    • pacific coast tick - A77.8 Other spotted fevers
    • paludal - See: Malaria;
    • Panama (malarial) - B50.9 Plasmodium falciparum malaria, unspecified
    • Pappataci - A93.1 Sandfly fever
    • paratyphoid - A01.4 Paratyphoid fever, unspecified
      • A - A01.1 Paratyphoid fever A
      • B - A01.2 Paratyphoid fever B
      • C - A01.3 Paratyphoid fever C
    • parrot - A70 Chlamydia psittaci infections
    • periodic (Mediterranean) - M04.1 Periodic fever syndromes
    • persistent (of unknown origin) - R50.9 Fever, unspecified
    • petechial - A39.0 Meningococcal meningitis
    • pharyngoconjunctival - B30.2 Viral pharyngoconjunctivitis
    • Philippine hemorrhagic - A91 Dengue hemorrhagic fever
    • phlebotomus - A93.1 Sandfly fever
    • Piry (virus) - A93.8 Other specified arthropod-borne viral fevers
    • Pixuna (viral) - A92.8 Other specified mosquito-borne viral fevers
    • Plasmodium ovale - B53.0 Plasmodium ovale malaria
    • polioviral (nonparalytic) - A80.4 Acute nonparalytic poliomyelitis
    • Pontiac - A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]
    • postimmunization - R50.83 Postvaccination fever
    • postoperative - R50.82 Postprocedural fever
      • due to infection - T81.40 Infection following a procedure, unspecified
    • posttransfusion - R50.84 Febrile nonhemolytic transfusion reaction
    • postvaccination - R50.83 Postvaccination fever
    • presenting with conditions classified elsewhere - R50.81 Fever presenting with conditions classified elsewhere
    • pretibial - A27.89 Other forms of leptospirosis
    • puerperal - O86.4 Pyrexia of unknown origin following delivery
    • Q - A78 Q fever
    • quadrilateral - A78 Q fever
    • quartan (malaria) - B52.9 Plasmodium malariae malaria without complication
    • Queensland (coastal) (tick) - A77.3 Spotted fever due to Rickettsia australis
    • quintan - A79.0 Trench fever
    • rabbit - See: Tularemia;
    • rat-bite - A25.9 Rat-bite fever, unspecified
      • due to
        • Spirillum - A25.0 Spirillosis
        • Streptobacillus moniliformis - A25.1 Streptobacillosis
    • recurrent - See: Fever, relapsing;
    • relapsing (Borrelia) - A68.9 Relapsing fever, unspecified
      • Carter's (Asiatic) - A68.1 Tick-borne relapsing fever
      • Dutton's (West African) - A68.1 Tick-borne relapsing fever
      • Koch's - A68.9 Relapsing fever, unspecified
      • louse-borne - A68.0 Louse-borne relapsing fever
      • Novy's
        • louse-borne - A68.0 Louse-borne relapsing fever
        • tick-borne - A68.1 Tick-borne relapsing fever
      • Obermeyer's (European) - A68.0 Louse-borne relapsing fever
      • tick-borne - A68.1 Tick-borne relapsing fever
    • remittent (bilious) (congestive) (gastric) - See: Malaria;
    • rheumatic (active) (acute) (chronic) (subacute) - I00 Rheumatic fever without heart involvement
      • active with heart involvement - See: category; - I01 Rheumatic fever with heart involvement
      • inactive or quiescent with
        • cardiac hypertrophy - I09.89 Other specified rheumatic heart diseases
        • carditis - I09.9 Rheumatic heart disease, unspecified
        • endocarditis - I09.1 Rheumatic diseases of endocardium, valve unspecified
          • aortic (valve) - I06.9 Rheumatic aortic valve disease, unspecified
            • with mitral (valve) disease - I08.0 Rheumatic disorders of both mitral and aortic valves
          • mitral (valve) - I05.9 Rheumatic mitral valve disease, unspecified
            • with aortic (valve) disease - I08.0 Rheumatic disorders of both mitral and aortic valves
          • pulmonary (valve) - I09.89 Other specified rheumatic heart diseases
          • tricuspid (valve) - I07.8 Other rheumatic tricuspid valve diseases
        • heart disease NEC - I09.89 Other specified rheumatic heart diseases
        • heart failure (congestive) (conditions in category I50.) - I09.81 Rheumatic heart failure
        • left ventricular failure (conditions in I50.1-I50.4-) - I09.81 Rheumatic heart failure
        • myocarditis, myocardial degeneration (conditions in I51.4) - I09.0 Rheumatic myocarditis
        • pancarditis - I09.9 Rheumatic heart disease, unspecified
        • pericarditis - I09.2 Chronic rheumatic pericarditis
      • with central nervous system involvement - I02.9 Rheumatic chorea without heart involvement
    • Rift Valley (viral) - A92.4 Rift Valley fever
    • Rocky Mountain spotted - A77.0 Spotted fever due to Rickettsia rickettsii
    • rose - J30.1 Allergic rhinitis due to pollen
    • Ross River - B33.1 Ross River disease
    • Russian hemorrhagic - A98.5 Hemorrhagic fever with renal syndrome
    • San Joaquin (Valley) - B38.0 Acute pulmonary coccidioidomycosis
    • sandfly - A93.1 Sandfly fever
    • Sao Paulo - A77.0 Spotted fever due to Rickettsia rickettsii
    • scarlet - A38.9 Scarlet fever, uncomplicated
    • seven day (leptospirosis) (autumnal) (Japanese) - A27.89 Other forms of leptospirosis
      • dengue - A90 Dengue fever [classical dengue]
    • shin-bone - A79.0 Trench fever
    • Singapore hemorrhagic - A91 Dengue hemorrhagic fever
    • solar - A90 Dengue fever [classical dengue]
    • Songo - A98.5 Hemorrhagic fever with renal syndrome
    • sore - B00.1 Herpesviral vesicular dermatitis
    • South African tick-bite - A68.1 Tick-borne relapsing fever
    • Southeast Asia hemorrhagic - A91 Dengue hemorrhagic fever
    • spinal - See: Meningitis;
    • spirillary - A25.0 Spirillosis
    • splenic - See: Anthrax;
    • spotted - A77.9 Spotted fever, unspecified
      • American - A77.0 Spotted fever due to Rickettsia rickettsii
      • Brazilian - A77.0 Spotted fever due to Rickettsia rickettsii
      • cerebrospinal meningitis - A39.0 Meningococcal meningitis
      • Colombian - A77.0 Spotted fever due to Rickettsia rickettsii
      • due to Rickettsia
        • africae (African tick bite fever) - A77.8 Other spotted fevers
        • australis - A77.3 Spotted fever due to Rickettsia australis
        • conorii - A77.1 Spotted fever due to Rickettsia conorii
        • parkeri - A77.8 Other spotted fevers
        • rickettsii - A77.0 Spotted fever due to Rickettsia rickettsii
        • sibirica - A77.2 Spotted fever due to Rickettsia siberica
        • specified type NEC - A77.8 Other spotted fevers
      • Ehrlichiosis - A77.40 Ehrlichiosis, unspecified
        • due to
          • E. chafeensis - A77.41 Ehrlichiosis chafeensis [E. chafeensis]
          • specified organism NEC - A77.49 Other ehrlichiosis
      • Rocky Mountain - A77.0 Spotted fever due to Rickettsia rickettsii
    • steroid - R50.2 Drug induced fever
    • streptobacillary - A25.1 Streptobacillosis
    • subtertian - B50.9 Plasmodium falciparum malaria, unspecified
    • Sumatran mite - A75.3 Typhus fever due to Rickettsia tsutsugamushi
    • sun - A90 Dengue fever [classical dengue]
    • swamp - A27.9 Leptospirosis, unspecified
    • swine - A02.8 Other specified salmonella infections
    • sylvatic, yellow - A95.0 Sylvatic yellow fever
    • Tahyna - B33.8 Other specified viral diseases
    • tertian - See: Malaria, tertian;
    • Thailand hemorrhagic - A91 Dengue hemorrhagic fever
    • thermic - T67.01 Heatstroke and sunstroke
    • three-day - A93.1 Sandfly fever
    • tick
      • American mountain - A93.2 Colorado tick fever
      • Colorado - A93.2 Colorado tick fever
      • Kemerovo - A93.8 Other specified arthropod-borne viral fevers
      • Mediterranean - A77.1 Spotted fever due to Rickettsia conorii
      • mountain - A93.2 Colorado tick fever
      • nonexanthematous - A93.2 Colorado tick fever
      • Quaranfil - A93.8 Other specified arthropod-borne viral fevers
    • tick-bite NEC - A93.8 Other specified arthropod-borne viral fevers
    • tick-borne (hemorrhagic) NEC - A93.8 Other specified arthropod-borne viral fevers
    • trench - A79.0 Trench fever
    • tsutsugamushi - A75.3 Typhus fever due to Rickettsia tsutsugamushi
    • typhogastric - A01.00 Typhoid fever, unspecified
    • typhoid (abortive) (hemorrhagic) (intermittent) (malignant) - A01.00 Typhoid fever, unspecified
      • complicated by
        • arthritis - A01.04 Typhoid arthritis
        • heart involvement - A01.02 Typhoid fever with heart involvement
        • meningitis - A01.01 Typhoid meningitis
        • osteomyelitis - A01.05 Typhoid osteomyelitis
        • pneumonia - A01.03 Typhoid pneumonia
        • specified NEC - A01.09 Typhoid fever with other complications
    • typhomalarial - See: Malaria;
    • typhus - See: Typhus (fever);
    • undulant - See: Brucellosis;
    • unknown origin - R50.9 Fever, unspecified
    • uveoparotid - D86.89 Sarcoidosis of other sites
    • valley - B38.0 Acute pulmonary coccidioidomycosis
    • Venezuelan equine - A92.2 Venezuelan equine fever
    • vesicular stomatitis - A93.8 Other specified arthropod-borne viral fevers
    • viral hemorrhagic - See: Fever, hemorrhagic, by type of virus;
    • Volhynian - A79.0 Trench fever
    • Wesselsbron (viral) - A92.8 Other specified mosquito-borne viral fevers
    • West
      • African - B50.8 Other severe and complicated Plasmodium falciparum malaria
      • Nile (viral) - A92.30 West Nile virus infection, unspecified
        • with
          • complications NEC - A92.39 West Nile virus infection with other complications
          • cranial nerve disorders - A92.32 West Nile virus infection with other neurologic manifestation
          • encephalitis - A92.31 West Nile virus infection with encephalitis
          • encephalomyelitis - A92.31 West Nile virus infection with encephalitis
          • neurologic manifestation NEC - A92.32 West Nile virus infection with other neurologic manifestation
          • optic neuritis - A92.32 West Nile virus infection with other neurologic manifestation
          • polyradiculitis - A92.32 West Nile virus infection with other neurologic manifestation
    • Whitmore's - See: Melioidosis;
    • Wolhynian - A79.0 Trench fever
    • worm - B83.9 Helminthiasis, unspecified
    • yellow - A95.9 Yellow fever, unspecified
      • jungle - A95.0 Sylvatic yellow fever
      • sylvatic - A95.0 Sylvatic yellow fever
      • urban - A95.1 Urban yellow fever
    • Zika virus - A92.5 Zika virus disease