How to file a VA ED claim with SMC-K stacking (most-missed bonus)

5-step Schema.org HowTo for the most-missed bonus in VA disability. Service-connected ED auto-qualifies SMC-K ($139.87/mo, $1,678.44/yr recurring) under 38 CFR 3.350(a)(1)(ii) loss-of-use of creative organ doctrine. 4 SC pathways: secondary to psychiatric medication (SSRIs/SNRIs/antipsychotics), secondary to vascular SC (diabetes/HTN/PAD), secondary to medication side effect, direct in-service. CRITICAL: explicitly request SMC-K in claim — adjudicators do NOT auto-apply. SMC-K stacks across all anatomical-loss conditions.