ICD-10-CM Diagnosis Coding Flashcards

What is the ICD-10-CM code for a patient presenting with essential (primary) hypertension?

Answer: I10

I10 is the ICD-10-CM code for essential (primary) hypertension.

Which ICD-10-CM coding convention takes precedence over all others, including Official Guidelines?

Answer: Instructional notes in the Tabular List

Instructional notes in the Tabular List (such as 'Use additional code' or 'Code first') take precedence over all other guidelines.

A coder cannot determine the definitive diagnosis from the record of an outpatient visit. What should be coded?

Answer: The sign(s) or symptom(s) that prompted the visit

For outpatient coding, when a definitive diagnosis has not been established, signs and symptoms are coded.

Which ICD-10-CM chapter contains mental, behavioral, and neurodevelopmental disorders?

Answer: Chapter 5

Chapter 5 (F01–F99) contains mental, behavioral, and neurodevelopmental disorders.

When coding obstetric cases in ICD-10-CM, what must always be assigned?

Answer: A final character for the trimester or weeks of gestation

Obstetric codes require a final character designating the trimester (1st, 2nd, 3rd) or, in some cases, weeks of gestation.

What is the purpose of the ICD-10-CM Alphabetic Index?

Answer: To locate the code range and lead the coder to the Tabular List

The Alphabetic Index directs the coder to the correct code range, which must then be verified in the Tabular List.

Which of the following is an example of a combination code in ICD-10-CM?

Answer: E11.40 (Type 2 diabetes with diabetic neuropathy, unspecified)

E11.40 is a combination code that captures both type 2 diabetes and the associated neuropathy complication.

In ICD-10-CM, what does the 'Includes' note indicate?

Answer: Conditions that are classified to the code or category

An 'Includes' note clarifies the scope of a code by listing conditions classified within that code or category.