Unstable Scar
Service-incurred wounds, burns, and surgeries producing painful, unstable, or neuropathic residual scars.
38 CFR diagnostic codes 7800, 7801, 7802, 7804, 7805
Peer-reviewed evidence (5)
The verified studies behind an Unstable Scar claim — each links to its real PubMed or DOI record. These are sources our nexus drafts can draw from; none are invented.
- Hong YK, Chang YH, Lin YC, Chen B, Guevara BEK, Hsu CK. Inflammation in Wound Healing and Pathological Scarring. Adv Wound Care (New Rochelle). 2023;12(5):288-300. PMID:36541356. doi:10.1089/wound.2021.0161.
- Leszczynski R, da Silva CA, Pinto ACPN, Kuczynski U, da Silva EM. Laser therapy for treating hypertrophic and keloid scars. Cochrane Database Syst Rev. 2022;9(9):CD011642. PMID:36161591. doi:10.1002/14651858.CD011642.pub2.
- Goodwin B, Mitchell J, Major E, Podwojniak A, Brancaccio H, Rusinak K, King M, Tahir H. The efficacy of topical 8% capsaicin patches for the treatment of postsurgical neuropathic pain: a systematic review. Pain Manag. 2024;14(10-11):591-598. PMID:39589498. doi:10.1080/17581869.2024.2433931.
- Fredman R, Edkins RE, Hultman CS. Fat Grafting for Neuropathic Pain After Severe Burns. Ann Plast Surg. 2016;76 Suppl 4:S298-303. PMID:26678099. doi:10.1097/SAP.0000000000000674.
- Kline CM, Lucas CE, Ledgerwood AM. Directed neurectomy for treatment of chronic postsurgical neuropathic pain. Am J Surg. 2013;205(3):246-8; discussion 248-9. PMID:23357521. doi:10.1016/j.amjsurg.2012.10.010.
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.
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