Frequent Nighttime Urination
Obstructive sleep apnea as a recognized cause of nocturia/nocturnal polyuria (secondary service connection).
38 CFR diagnostic code 7542
Peer-reviewed evidence (5)
The verified studies behind a Frequent Nighttime Urination claim — each links to its real PubMed or DOI record. These are sources our nexus drafts can draw from; none are invented.
- Di Bello F, Napolitano L, Abate M, Collà Ruvolo C, Morra S, Califano G, Capece M, Creta M. "Nocturia and obstructive sleep apnea syndrome: A systematic review". Sleep Med Rev. 2023;69:101787. PMID:37167825. doi:10.1016/j.smrv.2023.101787.
- Zhou J, Xia S, Li T, Liu R. Association between obstructive sleep apnea syndrome and nocturia: a meta-analysis. Sleep Breath. 2020;24(4):1293-1298. PMID:31907825. doi:10.1007/s11325-019-01981-6.
- Vrooman OPJ, van Kerrebroeck PEV, van Balken MR, van Koeveringe GA, Rahnama'i MS. Nocturia and obstructive sleep apnoea. Nat Rev Urol. 2024;21(12):735-753. PMID:38783115. doi:10.1038/s41585-024-00887-7.
- Niimi A, Suzuki M, Yamaguchi Y, Ishii M, Fujimura T, Nakagawa T, Fukuhara H, Kume H. Sleep Apnea and Circadian Extracellular Fluid Change as Independent Factors for Nocturnal Polyuria. J Urol. 2016;196(4):1183-9. PMID:27105762. doi:10.1016/j.juro.2016.04.060.
- Yu CC, Huang CY, Kuo WK, Chen CY. Continuous positive airway pressure improves nocturnal polyuria in ischemic stroke patients with obstructive sleep apnea. Clin Interv Aging. 2019;14:241-247. PMID:30774323. doi:10.2147/CIA.S193448.
Controlling law
The CFR sections and cases the theories relevant to this condition rest on — the legal standard raters evaluate against, never a prediction about any claim.
Direct (§ 3.303)
Regulation
38 C.F.R. § 3.303
Direct service connection — a current disability linked to service. (Continuity of symptomatology under § 3.303(b) is limited by case law to the § 3.309(a) chronic diseases — Walker.)
Case law
Shedden v. Principi, 381 F.3d 1163 (Fed. Cir. 2004)
The three-element test: current disability, in-service event, and a nexus between them.
Holton v. Shinseki, 557 F.3d 1363 (Fed. Cir. 2009)
Federal Circuit restatement of the same three direct-service-connection elements.
Caluza v. Brown, 7 Vet. App. 498 (1995)
The evidentiary framework a rater weighs each element against.
Walker v. Shinseki, 708 F.3d 1331 (Fed. Cir. 2013)
Continuity of symptomatology (§ 3.303(b)) is available ONLY for a chronic disease listed in § 3.309(a); any other condition must use the medical-nexus pathway.
Davidson v. Shinseki, 581 F.3d 1313 (Fed. Cir. 2009)
A categorical 'a medical opinion is always required for nexus' is legal error — competent lay evidence can suffice.
Jandreau v. Nicholson, 492 F.3d 1372 (Fed. Cir. 2007); Layno v. Brown, 6 Vet. App. 465 (1994)
A veteran is competent to report symptoms they personally observe (Layno), and lay evidence can even establish a simple diagnosis in the right case (Jandreau).
McLendon v. Nicholson, 20 Vet. App. 79 (2006)
A LOW threshold — evidence that merely indicates a nexus MAY exist obligates VA to provide a C&P exam.
38 U.S.C. § 5107(b); Gilbert v. Derwinski, 1 Vet. App. 49 (1990)
When the evidence is in relative equipoise, the tie goes to the veteran — the preponderance must be AGAINST the claim to deny it.
Build your Frequent Nighttime Urination documentation
Generate and review your full document package free — grounded in sources like these, then routed to a licensed provider to review and sign.
Generate your documentation — freeEducational information about the evidentiary standard — not legal or medical advice, and never a prediction about any claim.