Hospital Discharge Data Set and Official
ICD-10-CM Coding Guidelines Review
Exercises: Chapter 3
1.What is the purpose of the Uniform Hospital Discharge Data Set? What healthcare organizations collect
UHDDS? - To establish a minimum common core of data to be collected on individual acute care
short-term hospital discharges in Medicare and Medicaid programs. UHDDS sought to
improve the uniformity and comparability of hospital discharge data. All nonoutpatient
settings including acute care, short-term care, long-term care, and psychiatric hospitals,
home health agencies, rehabilitation facilities, and nursing homes
2.What is the UHDDS definition of principal diagnosis? -
3.What is the UHDDS definition of principal procedure? - The principal procedure is performed for
definitive treatment rather than for diagnostic
or exploratory purposes, or when it is necessary to take care of a complication. The
procedure most related to the principal diagnosis should be selected.
4.According to the UHDDS, how is the principle diagnosis selected? -
5.What is the maximum number of diagnosis and procedure codes that can be processed on institutional
claims through version 5010/837I of the electronic claims transaction standards? - Inpatient
Claims: 25 diagnosis codes (one principal diagnosis and 24 additional
diagnoses) and a total of 25 procedure codes for institutional electronic claims
processing.
6.According to the Section IV: Diagnostic coding and reporting guideline for Outpatient Services, how
does the first listed diagnosis in the outpatient setting differ from the selection of the principal diagnosis
in the Inpatient Setting? -