Certified Medical Coding Specialist ICD-10-CM Diagnosis Coding 2

Question 1

Which ICD-10-CM code is used to report a principal diagnosis when the patient is admitted for chemotherapy?

Accepted Answer

Z51.11

Answer

Z51.11 (encounter for antineoplastic chemotherapy) is sequenced as the principal diagnosis when chemotherapy is the reason for the encounter.

Question 2

In ICD-10-CM, sequela codes are identified by which 7th character?

Accepted Answer

S

Answer

The 7th character 'S' designates a sequela — a condition that is the late effect of a previous injury or illness.

Question 3

Which ICD-10-CM guideline applies when two or more interrelated conditions can be classified to the same code?

Accepted Answer

Combination code guideline

Answer

Combination codes in ICD-10-CM allow a single code to classify two diagnoses, a diagnosis with an associated sign/symptom, or a diagnosis with an associated complication.

Question 4

How should a coder handle a diagnosis documented as 'probable' or 'suspected' in an outpatient setting?

Accepted Answer

Code the sign or symptom, not the suspected condition

Answer

For outpatient encounters, uncertain diagnoses ('probable,' 'suspected') should NOT be coded; instead, code the presenting sign or symptom.

Question 5

Which ICD-10-CM code category covers sepsis?

Accepted Answer

A41

Answer

Category A41 in ICD-10-CM covers sepsis due to various organisms, such as A41.9 for unspecified sepsis.

Certified Medical Coding Specialist Practice Test

Certified Medical Coding Specialist Practice Test

Certified Medical Coding Specialist ICD-10-CM Diagnosis Coding 2