Chapter 4: ICD-10-CM Flashcards
(26 cards)
Why is it important to code correctly?
- Facilitates payment
- tracks healthcare usage
- Predicts trends
- Aids patient care
- Advances research
How many sections does the ICD-10-CM book have?
2: Alphabetic Index & Tabular List
What is the Tabular List of Diseases?
A numerical listing that contains 22 chapters to classify diseases and injuries by etiology or anatomical site. Also includes appendices
In the Tabular List, what do the first 3 characters of the diagnosis code mean?
3 character codes are categories which is followed by a decimal
In the Tabular List, what do the 4th -6th characters of the diagnosis code mean?
4th to 6th characters describe the etiology (cause), anatomical site, severity
In the Tabular List, which character is considered “an extension”?
the 7th character – injuries & external causes
On a diagnosis code, which characters identify subcategories?
4th and 5th characters
On a diagnosis code, which characters identify subclass (or the highest level of specificity)?
Characters 5 and 6
Which character on a diagnosis code identifies the site, etiology, and manifestation or state of the disease or condition?
the 4th character
A diagnosis code can be up to 7 characters long. Which characters can be letters and which can be numbers?
The 1st character is always a letter.
Characters 2-7 can be a letter or a number
What are the 4 divisions of the Alphabetic Index?
- Index to Diseases and Injuries
- Table of Neoplasms
- Table of Drugs and Chemicals
- External cause of injuries index
What is the Alphabetic Index?
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)
Which tables does the Alphabetic Index contain?
- Table of Neoplasms
- Table of Drugs and Chemicals
How does the Table of Neoplasms identify Neoplasms?
By behavior
What is a Malignant neoplasm?
A severe form of neoplasm having the property for destructive growth and metastasis
Malignant Primary vs. Malignant Secondary
Primary = Site of original cancer
Secondary = describes a cancer that has metastasized
What is a Carcinoma In Suto (Ca In Situ)?
A neoplasm that is contained within the original site or location
What does it mean when a neoplasm is benign?
A neoplasm that does not invade surrounding tissue or undergo metastasis
Uncertain Behavior vs. Unspecified Behavior
Uncertain Behavior = microscopy was unable to determine the pathology of the neoplasm
Unspecified Behavior = indicates documentation has insufficient data to be categorized
How are radiation or chemotherapy encounters reporter?
Z-codes
What is the sequencing of codes for when the reason for admission is radiotherapy, chemo, or immunotherapy?
Z-codes
1. admission for treatment
2. malignancy being treated
Which tables contains a classification of drugs and other chemical substances to identify poisoning states and external causes of adverse effects?
Table of Drugs and Chemicals
What is an adverse effect?
when the drug is administered properly but the patient has a reaction to the drug
Which index includes codes and terms that describe environmental circumstances?
External Causes of Injuries Index
**Can never be primary
