ICD 10 Coding Basics

Question 1

What does ICD-10 stand for?

Accepted Answer

International Classification of Diseases, 10th Revision

Answer

ICD-10 is the 10th revision of the International Classification of Diseases, maintained by the World Health Organization for classifying diseases and health conditions.

Question 2

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

Accepted Answer

3-7

Answer

ICD-10-CM codes range from 3 to 7 characters, with the first three being the category and additional characters providing greater specificity.

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 first character is always a letter that corresponds to a specific chapter of the ICD-10-CM classification, such as J for respiratory diseases.

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

ICD-10-CM (Clinical Modification) codes diagnoses across all settings. ICD-10-PCS (Procedure Coding System) codes inpatient procedures in hospitals.

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

The placeholder 'x' fills empty character positions in codes that need a 7th character extension but do not have valid 4th, 5th, or 6th character options.

ICD 10 Practice Test

ICD 10 Practice Test

ICD 10 Coding Basics