CDIP CDI Metrics and Statistics 2

Question 1

Which metric best reflects the effectiveness of a CDI specialist in capturing additional diagnoses during a hospitalization?

Accepted Answer

CC/MCC capture rate

Answer

Average length of stay

Answer

Impact rate

Answer

Physician query rate

Question 2

A CDI department tracks the number of queries that result in a documentation change versus total queries issued. This is called the:

Accepted Answer

Agreement rate

Answer

Query volume rate

Answer

Query response rate

Answer

Specificity rate

Question 3

When calculating Case Mix Index (CMI), which data source is most authoritative for benchmarking a hospital's performance?

Accepted Answer

CMS Medicare Provider Analysis and Review (MedPAR) data

Answer

Internal billing records only

Answer

EHR discharge summaries

Answer

State insurance commission reports

Question 4

A hospital's CDI team wants to measure how often records are reviewed before the patient is discharged. Which metric does this describe?

Accepted Answer

Concurrent review rate

Answer

Retrospective query rate

Answer

Discharge completion rate

Answer

Pre-bill review rate

Question 5

Which of the following would MOST likely indicate a CDI program is under-performing in capturing present on admission (POA) indicators?

Accepted Answer

Elevated HAC penalty rates

Answer

High CMI relative to peers

Answer

High CC/MCC capture rate

Answer

Low query volume

Question 6

A CDI specialist calculates that 42 out of 200 queried cases resulted in a DRG change. What is the DRG change rate?

Accepted Answer

21%

Answer

42%

Answer

4.2%

Answer

0.21%

Question 7

Which statistical concept helps CDI programs determine whether a CMI improvement is due to true documentation improvement versus patient population changes?

Accepted Answer

Case mix normalization (risk adjustment)

Answer

Standard deviation

Answer

Regression to the mean

Answer

Coefficient of variation