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UI Designs:
https://www.dropbox.com/s/k76uw8rgdbsell8/billing.pdf
Database Design:
BillingItemBilling
status - pending, paid, partially paid, approved
patient
provider - whoever does the billing, e.g. clerk
has many: itemswhatItIs
BillingItem
concept (conmcept concept - drug, labTest, etc)
quantity
how much it costs (value)
link to what mad eit made it - link to order ID or Encounter
provider
has many: item adjustments
BillingItemAdjustment
BillingItem
Reason
Value
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