A shell variable is a variable that is available only to the current shell. In contrast, an environment variable is available system wide and can be used by other applications on the system.A shell is the operating system's command interpreter. It processes the commands entered on the command line or read from a shell script file.
A superbill is a primary data source for the creation of a data claim enlisted by health care agencies, doctors' offices, hospitals and health care providers. Superbills generally contain four mandatory fields:
Superbill information is usually entirely electronic but just like protected health information (PHI), the medical data included in superbills should be secured through electronic safeguards so as to avoid malicious or other unauthorized access.
Ample amounts of data entry go into superbills, which contain patient information of varying kinds. IT professionals must be mindful to incorporate Health Insurance Portability Accountability Act (HIPPA) standards and laws when developing superbill operating systems. For instance, HIPAA laws mandate that health care employees access PHI only on a need-to-know basis. As a result, all non-care provider employees and caregivers are required to sign HIPAA agreements upon hire. Should they breach patient confidentiality laws, fines and prison terms can ensue. Billing software programs should be designed to perform user audit trails for this reason and they should be checked often by system administrators. IT professionals must also design superbill software securely so as to guard against unauthorized user access.
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