Laboratory testing may be useful in cases with less typical clinical presentations, such as in immunosuppressed persons who may have disseminated<unk>  zoster (defined as appearance of lesions outside the primary or adjacent dermatomes).
Herpes zoster laboratory tests
Herpes zoster physical examination
Hand-foot-and-mouth disease laboratory tests
Smallpox laboratory tests
Group B streptococcal infection laboratory tests
Cellulitis laboratory tests
Guillain-Barré syndrome laboratory tests
Lyme disease physical examination