Night Sweats ICD-10-CM Codes | 2025

What night sweats ICD-10 codes can I use?

If you're looking for Night Sweats ICD-10 codes, please note that there are no ICD codes that mention night sweats in their names. That doesn't mean there aren't any, though!

Night sweats are a type of generalized hyperhidrosis (excessive sweating), and there is an ICD-10-CM code specifically for this condition: R61 - Generalized hyperhidrosis.

If you have a patient experiencing night sweats, you can use the following ICD-10-CM diagnosis code. Do note that this code is not valid as a principal diagnosis because night sweats are symptoms of an underlying condition.

Once you've identified the underlying condition, you must use an appropriate ICD-10 code as your principal diagnosis.

Is this lone night sweats ICD-10 code billable?

Yes. Although not a valid principal diagnosis, this diagnosis code for night sweats is generally valid and billable. R61 is a billable, specific code that can be used to indicate a diagnosis on a reimbursement claim.

Clinical information about night sweats

As mentioned earlier, night sweats are a type of generalized hyperhidrosis (excessive sweating). It's sometimes referred to as nocturnal hyperhidrosis.

This type of excessive sweating occurs while a person sleeps, and they may wake up because it can soak and dampen the bed sheets and bedclothes. This can be annoying because a person will likely have to repeatedly change their bedsheets and bedclothes if the night sweats are constant.

Night sweats are not inherently harmful and can occur without apparent cause (idiopathic night sweats), but they can also indicate an underlying condition. Here are some underlying causes of night sweats:

• Sleep apnea
• Anxiety
• Stress
• Hypoglycemia (low blood sugar)
• Hyperthyroidism
• Tuberculosis
• Endocarditis
• HIV
• Menopausal and female climacteric states
• Enlarged lymph nodes (lymphoma)
• Taking certain medications
• Obesity
• Fever from various infections
• Headache disorders (in some cases)
• Lack of expected normal physiological development in childhood and adults

Synonyms include

• Generalized hyperhidrosis
• Excessive sweating
• Cold sweat
• Generalized hyperhidrosis due to neurological disorder
• Gustatory hyperhidrosis
• Hot sweats
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