Herpes zoster - Chicken pox Factor
Last reviewed for CCPS 18 July 2007.
Preliminary questions [7414]
7420 the veteran has had chicken pox at some time.
7421 the veteran had chicken pox before the clinical onset of herpes zoster.
7422 — the veteran has established the causal connection between the chicken pox and VEA service for the clinical onset of herpes zoster.
7425 — the veteran has established the causal connection between the chicken pox and operational service for the clinical onset of herpes zoster.
or
7426 — the veteran has established the causal connection between the chicken pox and eligible service for the clinical onset of herpes zoster.
Clinical onset and operational service [7425]
7427 — the chicken pox is causally related to operational service.
Clinical onset and eligible service [7426]
7428 — the chicken pox is causally related to eligible service.