Certified Coding Associate (CCA) Exam 2026 | ICD-10 Coding
Questions and Verified Answers
1. A patient is diagnosed with Type 2 diabetes mellitus without complications. What is
the correct ICD-10-CM code?
Answer: E11.9
Rationale: E11.9 is used for Type 2 diabetes mellitus without complications.
2. A patient has acute bronchitis due to influenza. What is the correct coding?
Answer: J20.9, J10.1
Rationale: Sequence influenza first (J10.1) followed by acute bronchitis (J20.9).
3. Hypertension with chronic kidney disease stage 3. What is the correct code set?
Answer: I12.9, N18.30
Rationale: Hypertensive CKD requires combination coding plus CKD stage.
4. Patient has appendicitis with perforation. Code?
Answer: K35.32
Rationale: K35.32 specifies acute appendicitis with perforation.
5. Acute myocardial infarction of anterior wall, initial episode
Answer: I21.09
Rationale: I21.09 is used for acute transmural MI of anterior wall.
6. Asthma, mild intermittent, uncomplicated
Answer: J45.20
Rationale: J45.20 represents mild intermittent asthma.
7. Pneumonia due to Streptococcus pneumoniae
Answer: J13
Rationale: J13 is bacterial pneumonia due to S. Pneumoniae.
8. GERD without esophagitis
Answer: K21.9
Rationale: K21.9 is used when no esophagitis is documented.
9. Chronic obstructive pulmonary disease with acute exacerbation
, Answer: J44.1
Rationale: J44.1 includes COPD with acute exacerbation.
10. Fracture of shaft of femur, initial encounter, closed
Answer: S72.301A
Rationale: ICD-10 structure includes site, laterality, and encounter type.
11. Urinary tract infection, site not specified
Answer: N39.0
Rationale: N39.0 is for unspecified UTI.
12. Sepsis due to E. Coli
Answer: A41.51
Rationale: Specific organism coding is required for sepsis.
13. Acute cholecystitis with gallstones
Answer: K80.00
Rationale: Combines gallstones with acute cholecystitis.
14. Iron deficiency anemia
Answer: D50.9
Rationale: D50.9 is unspecified iron deficiency anemia.
15. Migraine without aura
Answer: G43.009
Rationale: Specifies migraine type without aura.
16. COVID-19 confirmed case
Answer: U07.1
Rationale: U07.1 is assigned for confirmed COVID-19 infection.
17. Depression, major, single episode, mild
Answer: F32.0
Rationale: F32.0 represents mild major depressive disorder.
18. Alcohol dependence, uncomplicated
Answer: F10.20
Questions and Verified Answers
1. A patient is diagnosed with Type 2 diabetes mellitus without complications. What is
the correct ICD-10-CM code?
Answer: E11.9
Rationale: E11.9 is used for Type 2 diabetes mellitus without complications.
2. A patient has acute bronchitis due to influenza. What is the correct coding?
Answer: J20.9, J10.1
Rationale: Sequence influenza first (J10.1) followed by acute bronchitis (J20.9).
3. Hypertension with chronic kidney disease stage 3. What is the correct code set?
Answer: I12.9, N18.30
Rationale: Hypertensive CKD requires combination coding plus CKD stage.
4. Patient has appendicitis with perforation. Code?
Answer: K35.32
Rationale: K35.32 specifies acute appendicitis with perforation.
5. Acute myocardial infarction of anterior wall, initial episode
Answer: I21.09
Rationale: I21.09 is used for acute transmural MI of anterior wall.
6. Asthma, mild intermittent, uncomplicated
Answer: J45.20
Rationale: J45.20 represents mild intermittent asthma.
7. Pneumonia due to Streptococcus pneumoniae
Answer: J13
Rationale: J13 is bacterial pneumonia due to S. Pneumoniae.
8. GERD without esophagitis
Answer: K21.9
Rationale: K21.9 is used when no esophagitis is documented.
9. Chronic obstructive pulmonary disease with acute exacerbation
, Answer: J44.1
Rationale: J44.1 includes COPD with acute exacerbation.
10. Fracture of shaft of femur, initial encounter, closed
Answer: S72.301A
Rationale: ICD-10 structure includes site, laterality, and encounter type.
11. Urinary tract infection, site not specified
Answer: N39.0
Rationale: N39.0 is for unspecified UTI.
12. Sepsis due to E. Coli
Answer: A41.51
Rationale: Specific organism coding is required for sepsis.
13. Acute cholecystitis with gallstones
Answer: K80.00
Rationale: Combines gallstones with acute cholecystitis.
14. Iron deficiency anemia
Answer: D50.9
Rationale: D50.9 is unspecified iron deficiency anemia.
15. Migraine without aura
Answer: G43.009
Rationale: Specifies migraine type without aura.
16. COVID-19 confirmed case
Answer: U07.1
Rationale: U07.1 is assigned for confirmed COVID-19 infection.
17. Depression, major, single episode, mild
Answer: F32.0
Rationale: F32.0 represents mild major depressive disorder.
18. Alcohol dependence, uncomplicated
Answer: F10.20
