Allowed charge. A discounted fee that insurers negotiate with doctors, hospitals and other health care providers in their network. Negotiating charges reduce costs for you and the insurance company. It's a key reason why insurers create incentives to use in-network providers and why you pay more when you donât.
Background. Schwartz-Jampel syndrome (SJS) is a term now applied to 2 different inherited, autosomal recessive conditions, sometimes termed SJS type I and SJS type II. Both are very rare. SJS type I has 2 recognized subtypes, IA and IB, which are similar, except that type IB manifests earlier and with greater severity.
Issacs' syndrome (also known as neuromyotonia, Isaacs-Mertens syndrome, continuous muscle fiber activity syndrome, and quantal squander syndrome) is a rare neuromuscular disorder caused by hyperexcitability and continuous firing of the peripheral nerve axons that activate muscle fibers.ssacs' syndrome is only one of several neurological conditions that can be caused by potassium channel antibodies. Anticonvulsants, including phenytoin and carbamazepine, usually provide significant relief from the stiffness, muscle spasms, and pain associated with Isaacs' syndrome.