AMCA Medical Coding & Billing Certification Exam
– 100 Practice Questions with Answers &
Rationales 2026
SECTION A: ICD-10-CM Diagnosis Coding
1. The ICD-10-CM code for type 2 diabetes mellitus with diabetic neuropathy is:
A. E11.9
B. E11.40
C. E10.9
D. E11.65
✅ Answer: B
Rationale: E11.40 indicates type 2 diabetes with diabetic neuropathy, unspecified. E11.65 is for type 2
diabetes with hyperglycemia.
2. Which ICD-10-CM code is used for acute appendicitis with perforation?
A. K35.2
B. K35.30
C. K35.80
D. K35.9
✅ Answer: A
Rationale: K35.2 represents acute appendicitis with perforation; K35.30 is unspecified appendicitis.
3. Chronic obstructive pulmonary disease with acute exacerbation is coded as:
A. J44.1
B. J44.9
C. J45.909
D. J43.9
✅ Answer: A
Rationale: J44.1 is COPD with acute exacerbation; J44.9 is COPD unspecified.
4. ICD-10-CM code for essential (primary) hypertension is:
A. I10
B. I15.0
,C. I11.0
D. I12.9
✅ Answer: A
Rationale: I10 represents essential (primary) hypertension without complications.
5. A patient with acute myocardial infarction of the inferior wall is coded as:
A. I21.19
B. I21.09
C. I22.0
D. I25.2
✅ Answer: B
Rationale: I21.09 indicates STEMI involving the inferior wall.
6. The correct code for acute kidney failure is:
A. N17.9
B. N18.9
C. N19
D. N17.0
✅ Answer: A
Rationale: N17.9 is acute kidney failure, unspecified; N18.9 is chronic kidney disease, unspecified.
7. ICD-10-CM code for primary malignant neoplasm of the right breast:
A. C50.911
B. C50.912
C. C50.919
D. C50.999
✅ Answer: A
Rationale: C50.911 refers to malignant neoplasm of the right breast, unspecified site.
8. Unspecified acute bronchitis is coded as:
A. J20.9
B. J21.9
C. J40
D. J18.9
✅ Answer: A
Rationale: J20.9 is acute bronchitis, unspecified; J21.9 is for children under 5.
, 9. Code for a patient with a history of myocardial infarction (old MI):
A. I21.9
B. I25.2
C. I22.0
D. I25.9
✅ Answer: B
Rationale: I25.2 is for old myocardial infarction (history of MI).
10. ICD-10-CM code for morbid obesity is:
A. E66.01
B. E66.09
C. E66.0
D. E66.8
✅ Answer: A
Rationale: E66.01 is morbid (severe) obesity due to excess calories.
SECTION B: CPT/HCPCS Procedure Coding
11. CPT code for a standard office visit, new patient, 30 minutes:
A. 99213
B. 99203
C. 99214
D. 99204
✅ Answer: B
Rationale: 99203 represents an office or other outpatient visit for a new patient, typically 30 minutes.
12. Which CPT code describes a complete abdominal ultrasound?
A. 76700
B. 76705
C. 76856
D. 76830
✅ Answer: B
Rationale: 76705 is for complete abdominal ultrasound; 76700 is limited study.
13. CPT code for appendectomy, open approach:
A. 44950
– 100 Practice Questions with Answers &
Rationales 2026
SECTION A: ICD-10-CM Diagnosis Coding
1. The ICD-10-CM code for type 2 diabetes mellitus with diabetic neuropathy is:
A. E11.9
B. E11.40
C. E10.9
D. E11.65
✅ Answer: B
Rationale: E11.40 indicates type 2 diabetes with diabetic neuropathy, unspecified. E11.65 is for type 2
diabetes with hyperglycemia.
2. Which ICD-10-CM code is used for acute appendicitis with perforation?
A. K35.2
B. K35.30
C. K35.80
D. K35.9
✅ Answer: A
Rationale: K35.2 represents acute appendicitis with perforation; K35.30 is unspecified appendicitis.
3. Chronic obstructive pulmonary disease with acute exacerbation is coded as:
A. J44.1
B. J44.9
C. J45.909
D. J43.9
✅ Answer: A
Rationale: J44.1 is COPD with acute exacerbation; J44.9 is COPD unspecified.
4. ICD-10-CM code for essential (primary) hypertension is:
A. I10
B. I15.0
,C. I11.0
D. I12.9
✅ Answer: A
Rationale: I10 represents essential (primary) hypertension without complications.
5. A patient with acute myocardial infarction of the inferior wall is coded as:
A. I21.19
B. I21.09
C. I22.0
D. I25.2
✅ Answer: B
Rationale: I21.09 indicates STEMI involving the inferior wall.
6. The correct code for acute kidney failure is:
A. N17.9
B. N18.9
C. N19
D. N17.0
✅ Answer: A
Rationale: N17.9 is acute kidney failure, unspecified; N18.9 is chronic kidney disease, unspecified.
7. ICD-10-CM code for primary malignant neoplasm of the right breast:
A. C50.911
B. C50.912
C. C50.919
D. C50.999
✅ Answer: A
Rationale: C50.911 refers to malignant neoplasm of the right breast, unspecified site.
8. Unspecified acute bronchitis is coded as:
A. J20.9
B. J21.9
C. J40
D. J18.9
✅ Answer: A
Rationale: J20.9 is acute bronchitis, unspecified; J21.9 is for children under 5.
, 9. Code for a patient with a history of myocardial infarction (old MI):
A. I21.9
B. I25.2
C. I22.0
D. I25.9
✅ Answer: B
Rationale: I25.2 is for old myocardial infarction (history of MI).
10. ICD-10-CM code for morbid obesity is:
A. E66.01
B. E66.09
C. E66.0
D. E66.8
✅ Answer: A
Rationale: E66.01 is morbid (severe) obesity due to excess calories.
SECTION B: CPT/HCPCS Procedure Coding
11. CPT code for a standard office visit, new patient, 30 minutes:
A. 99213
B. 99203
C. 99214
D. 99204
✅ Answer: B
Rationale: 99203 represents an office or other outpatient visit for a new patient, typically 30 minutes.
12. Which CPT code describes a complete abdominal ultrasound?
A. 76700
B. 76705
C. 76856
D. 76830
✅ Answer: B
Rationale: 76705 is for complete abdominal ultrasound; 76700 is limited study.
13. CPT code for appendectomy, open approach:
A. 44950
