CPC ICD-10-CM Diagnosis Coding 3

Question 1

In ICD-10-CM, external cause codes (V, W, X, Y codes) are used to:

Accepted Answer

Describe how an injury or health condition occurred

Answer

External cause codes describe how and where an injury occurred and are reported in addition to the injury code.

Question 2

When coding an obstetric case, the default assumption about the trimester should be:

Accepted Answer

The trimester documented in the medical record

Answer

The trimester should be coded based on documentation in the medical record; coders should not assume a trimester.

Question 3

Which type of code is used to indicate that a patient has a personal history of a condition that no longer exists?

Accepted Answer

Z code (personal history)

Answer

Z codes for personal history (e.g., Z85–Z87) indicate that a patient had a condition in the past that no longer exists but may affect current care.

Question 4

The guideline 'Code to the highest degree of certainty' applies primarily to which care setting?

Accepted Answer

Outpatient and physician office

Answer

For outpatient/physician office visits, coders must code to the highest degree of certainty documented, without coding unconfirmed diagnoses.

Question 5

A patient is admitted due to dehydration caused by chemotherapy. Which condition is sequenced first?

Accepted Answer

The dehydration

Answer

When admission is due to a complication such as dehydration, that complication is sequenced as the principal diagnosis.

(CPC) Certified Procedural Coder Practice Test