CMRT Data Analytics & Reporting 4

Question 1

Which calculation correctly determines the percentage of occupancy for a hospital unit?

Accepted Answer

(Inpatient service days / Bed count × Days in period) × 100

Answer

Percentage of occupancy equals inpatient service days divided by the product of bed count and the number of days in the period, multiplied by 100.

Question 2

A quality analyst uses a Pareto chart to prioritize coding error types. What principle does this chart visually represent?

Accepted Answer

The 80/20 rule — a few error types account for the majority of problems

Answer

A Pareto chart ranks categories by frequency and cumulates percentages, illustrating that roughly 80% of problems stem from 20% of causes.

Question 3

In SQL used for health data queries, which clause is used to filter results AFTER a GROUP BY aggregation?

Accepted Answer

HAVING

Answer

The HAVING clause filters grouped/aggregated results, while WHERE filters individual rows before grouping occurs.

Question 4

A report shows that ICD-10-PCS procedure codes are frequently missing from inpatient records. Which downstream process is MOST directly harmed?

Accepted Answer

MS-DRG assignment and hospital reimbursement

Answer

MS-DRG grouping for inpatient claims depends on procedure codes; missing ICD-10-PCS codes can result in incorrect DRG assignment and underpayment.

Question 5

Which method ensures that a random sample of medical records selected for a coding audit is representative of the entire population?

Accepted Answer

Simple random sampling using a random number generator

Answer

Simple random sampling gives every record an equal chance of selection, producing a representative and unbiased sample for audit purposes.

(CMRT) Certified Medical Records Technician Practice Test