Participants aged ≥ 18 years at the time of enrollment

Able to complete bladder diaries and patient questionnaires

Primary diagnosis of Urinary Urgency Incontinence (UUI)

Willing and capable to provide written informed consent and agrees to comply with specified evaluations at clinical investigational sites and attend all follow-up assessments for up to 1 year

Underwent prostatectomy for prostate cancer at least 6 months prior to enrollment

Underwent radiation therapy for prostate cancer at least 6 months prior to enrollment

Underwent cytoreductive surgical intervention for BPH at least 6 months prior to enrollment

Minimum age: 18

Any patient that is not a suitable candidate per investigator discretion

Recent prostate therapy or procedure within the last 6 months at the time of enrollment

Any neurological condition that could interfere with normal bladder function, including stroke, epilepsy, multiple sclerosis, Parkinson's disease, clinically significant peripheral neuropathy, or spinal cord injury (e.g., paraplegia)

Previously implanted with a sacral neuromodulation device, including inactive SNM devices

Any prior treatment with an Implantable Tibial Nerve Stimulation (ITNS)

Percutaneous Tibial Nerve Stimulation (PTNS) within the last 3 months at the time of enrollment

Underwent an external trial with any sacral neuromodulation device and was deemed a non-responder by a physician

Any significant medical condition that is likely to interfere with study procedures, device operation, or likely to confound evaluation of study objectives (e.g. Crohn's disease, moderate to severe fibromyalgia, chronic pain)

Uncontrolled diabetes

Known allergic reactions to components of the Axonics SNM System, including titanium, zirconia, polyurethane, epoxy, or silicone