Chapter 4: ICD-10-CM

Question 1

Why is it important to code correctly?

Answer 1

• Facilitates payment
• tracks healthcare usage
• Predicts trends
• Aids patient care
• Advances research

Question 2

How many sections does the ICD-10-CM book have?

Answer 2

2: Alphabetic Index & Tabular List

Question 3

What is the Tabular List of Diseases?

Answer 3

A numerical listing that contains 22 chapters to classify diseases and injuries by etiology or anatomical site. Also includes appendices

Question 4

In the Tabular List, what do the first 3 characters of the diagnosis code mean?

Answer 4

3 character codes are categories which is followed by a decimal

Question 5

In the Tabular List, what do the 4th -6th characters of the diagnosis code mean?

Answer 5

4th to 6th characters describe the etiology (cause), anatomical site, severity

Question 6

In the Tabular List, which character is considered “an extension”?

Answer 6

the 7th character – injuries & external causes

Question 7

On a diagnosis code, which characters identify subcategories?

Answer 7

4th and 5th characters

Question 8

On a diagnosis code, which characters identify subclass (or the highest level of specificity)?

Answer 8

Characters 5 and 6

Question 9

Which character on a diagnosis code identifies the site, etiology, and manifestation or state of the disease or condition?

Answer 9

the 4th character

Question 10

A diagnosis code can be up to 7 characters long. Which characters can be letters and which can be numbers?

Answer 10

The 1st character is always a letter.
Characters 2-7 can be a letter or a number

Question 11

What are the 4 divisions of the Alphabetic Index?

Answer 11

1. Index to Diseases and Injuries
2. Table of Neoplasms
3. Table of Drugs and Chemicals
4. External cause of injuries index

Question 12

What is the Alphabetic Index?

Answer 12

An alphabetic listing of diseases, conditions and injuries along with their accompanying codes
- Main terms = disease, condition, or symptom
- Sub-terms = site, etiology, or clinical type (specificity)

Question 13

Which tables does the Alphabetic Index contain?

Answer 13

1. Table of Neoplasms
2. Table of Drugs and Chemicals

Question 14

How does the Table of Neoplasms identify Neoplasms?

Answer 14

By behavior

Question 15

What is a Malignant neoplasm?

Answer 15

A severe form of neoplasm having the property for destructive growth and metastasis

Question 16

Malignant Primary vs. Malignant Secondary

Answer 16

Primary = Site of original cancer
Secondary = describes a cancer that has metastasized

Question 17

What is a Carcinoma In Suto (Ca In Situ)?

Answer 17

A neoplasm that is contained within the original site or location

Question 18

What does it mean when a neoplasm is benign?

Answer 18

A neoplasm that does not invade surrounding tissue or undergo metastasis

Question 19

Uncertain Behavior vs. Unspecified Behavior

Answer 19

Uncertain Behavior = microscopy was unable to determine the pathology of the neoplasm

Unspecified Behavior = indicates documentation has insufficient data to be categorized

Question 20

How are radiation or chemotherapy encounters reporter?

Answer 20

Z-codes

Question 21

What is the sequencing of codes for when the reason for admission is radiotherapy, chemo, or immunotherapy?

Answer 21

Z-codes
1. admission for treatment
2. malignancy being treated

Question 22

Which tables contains a classification of drugs and other chemical substances to identify poisoning states and external causes of adverse effects?

Answer 22

Table of Drugs and Chemicals

Question 23

What is an adverse effect?

Answer 23

when the drug is administered properly but the patient has a reaction to the drug

Question 24

Which index includes codes and terms that describe environmental circumstances?

Answer 24

External Causes of Injuries Index
**Can never be primary

Question 25

In order to search in the ICD 10 Alphabetic index you have to search by the main term. What are considered main terms?

Answer 25

Disease
Illness
Condition