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Prostate (BPH), Bladder & Urinary Tract • ICD-10-CM N39.6

Overactive Bladder

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM N39.6 • 8 Linked .gov / PubMed Citations • Governance: Dr. Julian Sterling, MD, FACS (NPI #1376841536)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Overactive Bladder Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Overactive Bladder?

Overactive bladder is a condition in which the bladder squeezes urine out at the wrong time. You may have overactive bladder if you have two or more of these symptoms: You urinate eight or more times a day or two or more times at night You have the sudden, strong need to urinate immediately You leak urine after a sudden, strong urge to urinate You also may have incontinence , a loss of bladder control. Nerve problems, too much fluid, or too much caffeine can cause it. Often the cause is unknown. Your doctor may prescribe a medicine that can calm muscles and nerves. The medicine may come as a pill, a liquid, or a patch. The medicines can cause your eyes to become dry.

Pathophysiology, Underlying Causes & Clinical Presentation

Pathophysiologically, Overactive Bladder (ICD-10 N39.6) is driven by uropathogenic bacterial mucosal in Overactive Bladder (N39.6: adherence (cystitis) or); Cross-referenced with NIH MeSH (Urinary Bladder, Overactive), specialists in Prostate (BPH), Bladder & Urinary Tract monitor IPSS Urinary Symptom in Overactive Bladder (N39.6: Score) to gauge tissue recovery.

Common Symptoms & Clinical Signs

  • • You urinate eight or more times a day or two or more times at night
  • • You have the sudden, strong need to urinate immediately
  • • Presentation of Overactive Bladder (N39.6): waking two or in Overactive Bladder (N39.6: more times nightly)
  • • Secondary Overactive Bladder clinical sign: burning dysuria, suprapubic in Overactive Bladder (N39.6: discomfort, or cloudy/hematuric)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Overactive Bladder Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code N39.6 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Prostate (BPH), Bladder & Urinary Tract NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Total PSA & in Overactive Bladder (N39.6: Serum Creatinine/eGFR) Age-specific PSA; eGFR > 75 mL/min (N39.6) Clinical Reference Target Range
Diagnostic / Lab Marker: IPSS Urinary Symptom in Overactive Bladder (N39.6: Score) 0 – 7 (mild symptoms) (N39.6) Clinical Reference Target Range
Diagnostic / Lab Marker: Urinalysis & Post-Void in Overactive Bladder (N39.6: Residual (PVR)) Negative leukocyte/nitrite; PVR < 50 mL (N39.6) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Overactive Bladder

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Tolterodine Tartrate Detrol • RxCUI 855178 Cholinergic Muscarinic Antagonist 80% $0.2000 $ 7.10 /mo
Solifenacin Succiate Solifenacin Succinate • RxCUI 477372 Cholinergic Muscarinic Antagonist 80% $0.1816 $ 15.85 /mo
Solifenacin Succinate Vesicare • RxCUI 477367 Cholinergic Muscarinic Antagonist 78% $0.1466 $ 6.08 /mo
Mirabegron Mirabgeorn, Myrbetriq • RxCUI 1300791 beta3-Adrenergic Agonist 84% $9.0229 $ 185.00 /mo
Fesoterodine Fumarate Toviaz • RxCUI 810071 FDA Prescription Therapeutic Agent 89% $0.7765 $ 39.95 /mo
Trospium Chloride Sanctura • RxCUI 857560 Cholinergic Muscarinic Antagonist 77% $0.2068 $ 9.51 /mo
Vibegron Gemtesa • RxCUI 2472315 beta3-Adrenergic Agonist 74% $15.9926 $ 185.00 /mo
Oxybutynin Oxytrol for Women, Oxytrol • RxCUI 863619 Cholinergic Muscarinic Antagonist 79% $0.0817 $ 6.05 /mo
Darifenacin Hydrobromide Darifenacin Hydrobromide Generic • RxCUI 485421 Cholinergic Muscarinic Antagonist 80% $0.5494 $ 30.75 /mo
Gemtesa (Vibegron) Gemtesa • RxCUI 2472321 beta3-Adrenergic Agonist 87% $15.9926 $ 640.00 /mo
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Overactive Bladder)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Clinically Meaningful Improvements With Vibegron in Men With Overactive Bladder: What a 538-Participant Study Found

In this post hoc responder analysis from the phase 3 COURAGE trial, participants receiving vibegron vs placebo achieved clinically relevant reductions in bothersome OAB symptoms, as well as improvements in IPSS and OAB-q scores.

Urology • 2025-12-15 • Phase III Randomized Trial
N = 538 93/100 PMID 40902908 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of onabotulinumtoxinA in patients with overactive bladder:

OnabotulinumtoxinA was efficacious and well tolerated in women and in men with lower PSA levels.

International urology and nephrology • 2021-11-15 • Phase III Randomized Trial
N = 186 88/100 PMID 34292493 ↗
Can This Approach Help? Inside the Latest Research on Dexamethasone intraocular suspension 9% on intraocular pressure after routine

Dexamethasone intraocular suspension was associated with IOP elevation patterns comparable with applied to the skin prednisolone.

Journal of cataract and refractive surgery • 2021-01-01 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 32818346 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of skin-adhesive low-level light therapy for overactive

LLLT may be clinically useful and safe for the treatment of OAB.

International urogynecology journal • 2022-12-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 35389054 ↗
New Insights on Efficacy of mirabegron, a β 3 -adrenoreceptor agonist, in Japanese women with: What a 204-Participant Study Found

Mirabegron 50 mg significantly improved key overactive bladder symptoms versus placebo in women with urgency urinary incontinence, and it also improved most overactive bladder symptoms, including micturition frequency, in...

International journal of urology : official journal of the Japanese Urological Association • 2022-01-15 • Phase III Randomized Trial
N = 204 88/100 PMID 34605079 ↗
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