AHIMA Medical Coding and Classification 2 — Questions and Answers
Question 1: Which ICD-10-CM chapter covers diseases of the musculoskeletal system and connective tissue?
- Chapter 12
- Chapter 13 (Correct answer)
- Chapter 14
- Chapter 15
Correct answer: Chapter 13
ICD-10-CM Chapter 13 (M00–M99) covers diseases of the musculoskeletal system and connective tissue.
Question 2: In CPT coding, what does the modifier -51 indicate?
- Repeat procedure by same physician
- Multiple procedures performed on the same day (Correct answer)
- Bilateral procedure
- Reduced services
Correct answer: Multiple procedures performed on the same day
Modifier -51 indicates that multiple procedures were performed during the same surgical session.
Question 3: Which of the following is the correct sequencing rule for ICD-10-CM coding of a patient admitted for chemotherapy?
- Sequence the malignancy first
- Sequence the adverse effect first
- Sequence the encounter for chemotherapy (Z51.11) first (Correct answer)
- Sequence the symptom first
Correct answer: Sequence the encounter for chemotherapy (Z51.11) first
When a patient is admitted for chemotherapy, the Z51.11 code is sequenced as the principal diagnosis, with the malignancy coded additionally.
Question 4: Which CPT code range covers Evaluation and Management (E/M) services?
- 00100–01999
- 10000–69999
- 99202–99499 (Correct answer)
- 70010–79999
Correct answer: 99202–99499
E/M services in CPT are found in the range 99202–99499 and cover office visits, hospital care, and consultations.
Question 5: What does the ICD-10-CM placeholder 'X' serve to do in a code?
- Indicate an unspecified laterality
- Allow for future expansion and fill required character positions (Correct answer)
- Denote an external cause
- Mark a manifestation code
Correct answer: Allow for future expansion and fill required character positions
The placeholder X is used in ICD-10-CM to fill required character positions and allow for future code expansion.
Question 6: Under HCPCS Level II, which letter prefix indicates durable medical equipment (DME)?
- A
- E (Correct answer)
- J
- L
Correct answer: E
HCPCS Level II codes beginning with 'E' represent durable medical equipment such as wheelchairs and walkers.
Question 7: Which coding guideline applies when a definitive diagnosis has NOT been established at the time of an outpatient visit?
- Code the suspected diagnosis
- Code the condition to the highest degree of certainty using signs and symptoms (Correct answer)
- Leave the diagnosis field blank
- Use the most recent inpatient diagnosis
Correct answer: Code the condition to the highest degree of certainty using signs and symptoms
For outpatient visits, coders report signs and symptoms rather than unconfirmed or suspected diagnoses.
AHIMA Medical Coding and Classification 2
Which ICD-10-CM chapter covers diseases of the musculoskeletal system and connective tissue?