CDEO ICD-10-CM Diagnosis Coding & Application

Question 1

What does the first character in an ICD-10-CM code represent?

Accepted Answer

A letter indicating chapter/category

Answer

A number indicating severity

Answer

A symbol indicating payment type

Answer

A letter assigned at random

Question 2

When should a diagnosis be coded as 'suspected' or 'probable' in outpatient settings?

Accepted Answer

Never; only confirmed conditions are coded

Answer

Only when confirmed with tests

Answer

Always for reimbursement

Answer

If the provider mentions it in passing

Question 3

Which guideline applies when multiple codes are required for a single condition?

Accepted Answer

Use combination codes if available

Answer

Use only the most specific code

Answer

Assign codes based on visit length

Answer

List codes in alphabetical order

Question 4

What is the function of the 7th character in ICD-10-CM coding?

Accepted Answer

It indicates episode of care

Answer

It identifies code modifiers

Answer

It shows the year of the diagnosis

Answer

It is only used for mental health codes

Question 5

How are external cause codes used in outpatient documentation?

Accepted Answer

To explain mechanism and location of injury

Answer

To replace the principal diagnosis

Answer

To document provider's specialty

Answer

To indicate patient demographics

Question 6

Which source should coders use to validate proper ICD-10-CM code assignment?

Accepted Answer

ICD-10-CM Official Guidelines

Answer

Internet medical forums

Answer

Provider preferences

Answer

Coding blogs