R50.9
BillableFever, unspecified
R50.9 is the ICD-10-CM code for Fever, unspecified. It is a billable, specific code valid for reimbursement.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
What this means — in plain language
MedlinePlus · NIHA fever is a body temperature that is higher than normal. A normal temperature can vary from person to person, but it is usually around 98.6 °F (37 °C). A fever is not a disease. It is usually a sign that your body is trying to fight an illness or infection. Infections cause most fevers. You get a fever because your body is trying to kill the virus or bacteria that caused the infection. Most of those bacteria and…
Read more about Fever at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Fever NOS
- •Fever of unknown origin [FUO]
- •Fever with chills
- •Fever with rigors
- •Hyperpyrexia NOS
- •Persistent fever
- •Pyrexia NOS
Medications indicated for this condition
FDA labeling- Aconitum Nap, Apis Mel, Arnica, Arsenicum Alb, Belladonna, Bellis, Bryonia, Calendula, Chamomilla, Cistus Canadensis, Clematis Erecta, Ferrum Phos, Histaminum, Hypericum, Ignatia, Impatiens Glan Flos, Ornithogalum, Passiflora, Phosphorus, Prunus Cerasifera, Rhus Tox, Sulphur, Symphytum, Vertarum AlbStandardized Insect Venom Allergenic Extract [EPC]›
- Bryonia, Gelsemium Sempervirens, Sambucus Nigra, Sulphur, Zincum Gluconicum›
- Ibuprofen OralNonsteroidal Anti-inflammatory Drug [EPC]›
- Meclofenamate›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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