ICD 10 ICD 2 — Questions and Answers
Question 1: In ICD-10-CM, what does the letter that begins each code generally represent?
- The category of disease or body system (Correct answer)
- The patient's age group
- The hospital department
- The billing tier
Correct answer: The category of disease or body system
The first character is always a letter that broadly indicates the chapter or category of the condition.
Question 2: What is the maximum number of characters an ICD-10-CM diagnosis code can contain?
- 5
- 6
- 7 (Correct answer)
- 8
Correct answer: 7
ICD-10-CM codes can be up to seven characters long for full specificity.
Question 3: Which character position in an ICD-10-CM code is reserved for the seventh-character extension such as encounter type?
- First
- Third
- Seventh (Correct answer)
- Second
Correct answer: Seventh
The seventh character captures details like initial encounter, subsequent encounter, or sequela.
Question 4: The seventh-character 'A' in an injury code most commonly indicates which encounter type?
- Subsequent encounter
- Sequela
- Initial encounter (Correct answer)
- Routine healing
Correct answer: Initial encounter
The letter 'A' designates the initial encounter while the patient receives active treatment.
Question 5: What does the seventh-character 'S' designate in ICD-10-CM injury coding?
- Subsequent encounter
- Sequela (Correct answer)
- Severe injury
- Surgical encounter
Correct answer: Sequela
The 'S' character identifies a sequela, a condition that arises as a direct result of a prior injury.
Question 6: When a code requires a seventh character but only has three to five characters, what must be used as a placeholder?
- The letter X (Correct answer)
- A zero
- A dash
- The letter Z
Correct answer: The letter X
The dummy placeholder 'X' fills empty character positions so the seventh character lands in the correct spot.
Question 7: ICD-10-CM is primarily used in the United States for which purpose?
- Procedure coding in surgery
- Diagnosis coding and reporting (Correct answer)
- Pharmacy inventory
- Nursing scheduling
Correct answer: Diagnosis coding and reporting
ICD-10-CM is the U.S. clinical modification used for reporting diagnoses across healthcare settings.
In ICD-10-CM, what does the letter that begins each code generally represent?