140 ◾ List of Acronyms
SCH sole community hospital
SDS same-day surgery
SGML (Internet) Standardized General Markup Language
SLIP Serial Line IP Protocol (Internet)
SLP speech language pathology (see also ST)
SMI Service Mix Index
SMTP Simple Mail Transport Protocol (Internet e-mail)
SNF skilled nursing facility
SNP special needs plan
SOC standard of care
SOS site of service
SR-DRG Severity Refined DRG (HCFA proposed in 1994)
ST speech therapy (see also SLP)
STACH short-term acute care hospital (see LTCH)
SUBC State Uniform Billing Committee
TLA three-letter acronym
TPA third-party administrator
TPP third-party payer
TQD total quality deployment
TQM total quality management
TSC Transaction Standard/Standard Code Set
(see HIPAA)
UB-04 universal billing form (2004 revision)
UCC Uniform Commercial Code (see state laws)
UCR usual, customary, reasonable
UHC University Health System Consortium
UHDDS Uniform Hospital Discharge Data Set
UPIN Unique Physician Identification Number
UNIX (Computer) Not an acronym, but a play on the word eunuch
UR Utilization Review
URL Uniform Resource Locator (Internet address)