ICD-10 Code Set

Question 1

Who developed the International Classification of Diseases?

Answer 1

World Health Organization(WHO) in 1948

Question 2

What two code sets is this system divided into?

Answer 2

1. The International Classification of Diseases, 10th Revision, Clinical Modification(ICD-10-CM)
2. International Classification of Diseases, 10th Revision, Procedure Coding System(ICD-10-PCS)

Question 3

Who maintains the ICD-10-PCS?

Answer 3

Centers for Medicare and Medicaid Services(CMS)

Question 4

When are the ICD-10-PCS updated?

Answer 4

Annually beginning October 1st

Question 5

What are ICD-10-PCS used for?

Answer 5

Hospitals to report inpatient procedures, including devices and reflecting various technologies used.

Question 6

What two agencies collaborate to maintain the ICD-10-CM?

Answer 6

Nationa; Center for Health Statistics and WHO

Question 7

What is the ICD-10-CM used for?

Answer 7

This allows providers, facilities, and third-party payers the ability to communicate patient conditions, illnesses, and injuries.

Question 8

How many sections are the ICD-10-CM Official Guidelines divided into?

Answer 8

Four

Question 9

What is Section I in the ICD-10-CM Official Guidelines?

Answer 9

Conventions, General Coding Guidelines, and Chapter Specific Guidelines

Question 10

What is Section II in the ICD-10-CM Official Guidelines?

Answer 10

Selection of Principal Diagnosis

Question 11

What is Section III in the ICD-10-CM Official Guidelines?

Answer 11

Reporting Additional Diagnoses

Question 12

What is Section IV in the ICD-10-CM Official Guidelines?

Answer 12

Diagnostic Coding and Reporting Guidelines for Outpatient Guidelines

Question 13

What is the Number One Rule when using the ICD-10-CM Coding Manual?

Answer 13

Always find the main term in the alphabetic index first.

Question 14

What is an ICD-10-CM code made up of?

Answer 14

Three to Seven Alphanumeric Characters

Question 15

What do the first three characters in an ICD-10-CM code mean?

Answer 15

These are diseases, injuries, external causes, and factors that influence health and encounters for health services.

Question 16

What do the fourth through sixth characters in an ICD-10-CM code mean?

Answer 16

These specify clinical details such as anatomic site, acuity, and manifestation.

Question 17

What does the seventh character in an ICD-10-CM code mean?

Answer 17

This extension defines the episode(initial, subsequent, and sequela)

Question 18

What is the character for the Initial Encounter and what does that mean?

Answer 18

A, the patient is undergoing active treatment

Question 19

What is the character for the Subsequent Encounter and what does that mean?

Answer 19

D, after the patient has received active treatment and is in the recovery phase

Question 20

What is the character for Sequela and what does that mean?

Answer 20

S, these are the late effects of an injury or illness

Question 21

What do diagnosis codes establish?

Answer 21

Medical Necessity for procedures, services, or supplies.