ICD 10 Coding Basics

Question 1

What does ICD-10 stand for?

Accepted Answer

International Classification of Diseases, 10th Revision

Answer

International Code of Diseases version 10

Answer

Internal Coding Dictionary 10

Answer

Integrated Classification of Diagnostics 10

Question 2

How many characters can an ICD-10-CM code have?

Accepted Answer

3-7

Answer

3-5

Answer

5-10

Answer

Exactly 5

Question 3

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

Accepted Answer

A letter (A-Z, except U) indicating the chapter/category of disease

Answer

The body system

Answer

The severity

Answer

The provider type

Question 4

What is the difference between ICD-10-CM and ICD-10-PCS?

Accepted Answer

CM is for diagnosis coding; PCS is for inpatient procedure coding

Answer

They are the same

Answer

CM is for outpatient; PCS is for outpatient

Answer

CM is older than PCS

Question 5

What is a placeholder character 'x' used for in ICD-10-CM?

Accepted Answer

To fill positions when a code requires more characters but has no valid value for intermediate positions

Answer

To mark codes as experimental

Answer

To indicate an uncertain diagnosis

Answer

To mark obsolete codes

Question 6

What is the correct format for an ICD-10-CM code?

Accepted Answer

A letter followed by two numbers, then a decimal point, then up to four alphanumeric characters

Answer

All numbers

Answer

Only letters

Answer

Numbers then letters