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AAPC Certified Professional Coder (CPC) Practice Test

AAPC CPC Practice Test

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Questions updated at Aug 21, 2026, 11:53 PM CDT

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Today's 10 AAPC CPC questions

Use this AAPC CPC practice test to review AAPC Certified Professional Coder. Questions rotate daily and each answer links back to the source used to write it.

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200 verified questions are in the live bank. Free daily questions are selected from a rotating sample set. Unlock Pro to access the full question bank.

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Question 1 of 10
Objective Code diagnoses to supported specificity ICD-10-CM (5 questions)

A patient has a closed fracture of the lower end of the right radius. The provider does not document a more specific fracture pattern, and this is the initial encounter for active treatment. Which ICD-10-CM code is appropriate?

Concept tested:
Question 2 of 10
Objective Apply anesthesia time and modifiers Anesthesia (4 questions)

The anesthesia record documents monitored anesthesia care (MAC). Which modifier communicates MAC status, while the claim still requires the appropriate anesthesia payment modifier and actual time?

Concept tested:
Question 3 of 10
Objective Code supplies, drugs, DME, and Medicare services HCPCS Level II (3 questions)

A patient with obstructive sleep apnea receives a continuous positive airway pressure device for home use. Which HCPCS Level II code identifies the CPAP device?

Concept tested:
Question 4 of 10
Objective Code medicine-section services Medicine (6 questions)

A physical therapist provides 30 minutes of one-on-one therapeutic exercises to improve strength and range of motion. Which CPT code and unit count best report the timed service?

Concept tested:
Question 5 of 10
Objective Code laboratory panels and tests Pathology and Laboratory (6 questions)

An automated urine reagent analysis is performed and is followed by microscopic examination of the sediment from the same specimen. No urine culture is performed. Which CPT reporting most accurately captures the completed urinalysis service without duplicating components?

Concept tested:
Question 6 of 10
Objective Code a complete medical-record case Cases (10 questions)

A patient with dysuria and urinary frequency is diagnosed with acute cystitis without hematuria. A clean-catch urine culture with quantitative colony count is performed. Which code pair is best supported?

Concept tested:
Question 7 of 10
Objective Apply ICD-10-CM, CPT, modifier, and NCCI instructions Coding Guidelines (7 questions)

During the postoperative period of an earlier surgery, the same physician performs a procedure for an unrelated condition. Which modifier generally identifies the unrelated procedure?

Concept tested:
Question 8 of 10
Objective Identify anatomy across body systems Anatomy (4 questions)

An endocrine surgeon documents a thyroid nodule. Where is the thyroid gland primarily located?

Concept tested:
Question 9 of 10
Objective Interpret roots, prefixes, suffixes, and abbreviations Medical Terminology (4 questions)

A coder reads the diagnosis 'tendinitis' in an orthopedic note. Which interpretation of the suffix '-itis' is most accurate?

Concept tested:
Question 10 of 10
Objective Code respiratory and cardiovascular procedures CPT 30000 Series (6 questions)

An otolaryngologist passes a rigid endoscope through both nasal cavities to inspect the nasal passages, turbinates, and meatuses. No biopsy or debridement is performed. Which CPT code best reports the diagnostic nasal endoscopy?

Concept tested:
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The free daily AAPC CPC set includes crawlable question text, answer choices, correct answer labels, objective mapping, and source links. Only the first SEO card includes answer explanations and any extra learning features. Pro-only bank questions stay locked; this section mirrors only the 10 free daily questions already shown on this page.

Question 1 A patient has a closed fracture of the lower end of the right radius. The provider does not document a more specific fracture pattern, and this is the initial encounter for active treatment. Which ICD-10-CM code is appropriate?

Answer choices

  1. A. S52.502A
  2. B. S52.571A
  3. C. S52.501A
  4. D. S52.501D

Correct answer

S52.501A

The documentation supports right side, lower-end radius fracture, unspecified fracture pattern, initial encounter, closed. S52.501A fits without inferring a more specific pattern.

Wrong-answer review

  • A. S52.502A: S52.502A would change the documented diagnosis or its supported specificity. The record instead establishes that the documentation supports right side, lower-end radius fracture, unspecified fracture pattern, initial encounter, closed.
  • B. S52.571A: The diagnosis documentation does not support S52.571A. ICD-10-CM selection must stop at the specificity established in the record: The documentation supports right side, lower-end radius fracture, unspecified fracture pattern, initial encounter, closed.
  • D. S52.501D: S52.501D would change the documented diagnosis or its supported specificity. The record instead establishes that the documentation supports right side, lower-end radius fracture, unspecified fracture pattern, initial encounter, closed.

Extra learning features

Why candidates miss this

The distractor ‘S52.502A’ is tempting because it’s a fracture code. However, the record explicitly states ‘initial encounter,’ indicating the first time the patient is evaluated for the fracture, and the documentation does not provide enough detail to specify a more specific fracture pattern. The decisive clue is the ‘initial encounter’ which dictates the appropriate ICD-10-CM code. Likely wrong answer: S52.502A Review focus: AAPC Codify — ICD-10-CM S52.501A

Objective/domain: ICD-10-CM (5 questions)

Source: AAPC Codify — ICD-10-CM S52.501A

Question 2 The anesthesia record documents monitored anesthesia care (MAC). Which modifier communicates MAC status, while the claim still requires the appropriate anesthesia payment modifier and actual time?

Answer choices

  1. A. 23
  2. B. AA
  3. C. QS
  4. D. QZ

Correct answer

QS

Objective/domain: Anesthesia (4 questions)

Source: CMS — Medicare Claims Processing Manual, Chapter 12: Anesthesia Services

Question 3 A patient with obstructive sleep apnea receives a continuous positive airway pressure device for home use. Which HCPCS Level II code identifies the CPAP device?

Answer choices

  1. A. E0562
  2. B. E0471
  3. C. E0470
  4. D. E0601

Correct answer

E0601

Objective/domain: HCPCS Level II (3 questions)

Source: AAPC Codify — HCPCS E0601

Question 4 A physical therapist provides 30 minutes of one-on-one therapeutic exercises to improve strength and range of motion. Which CPT code and unit count best report the timed service?

Answer choices

  1. A. 97530 × 2 units
  2. B. 97110 × 2 units
  3. C. 97110 × 1 unit
  4. D. 97140 × 2 units

Correct answer

97110 × 2 units

Objective/domain: Medicine (6 questions)

Source: AAPC Codify — CPT 97110

Question 5 An automated urine reagent analysis is performed and is followed by microscopic examination of the sediment from the same specimen. No urine culture is performed. Which CPT reporting most accurately captures the completed urinalysis service without duplicating components?

Answer choices

  1. A. 87086
  2. B. 81003
  3. C. 81001
  4. D. 81001 + 81003

Correct answer

81001

Objective/domain: Pathology and Laboratory (6 questions)

Source: AAPC Codify — CPT 81001

Question 6 A patient with dysuria and urinary frequency is diagnosed with acute cystitis without hematuria. A clean-catch urine culture with quantitative colony count is performed. Which code pair is best supported?

Answer choices

  1. A. N30.00 + 87086
  2. B. N39.0 + 81003
  3. C. N30.00 + 81001
  4. D. N30.01 + 87086

Correct answer

N30.00 + 87086

Objective/domain: Cases (10 questions)

Source: AAPC Codify — ICD-10-CM N30.00

Question 7 During the postoperative period of an earlier surgery, the same physician performs a procedure for an unrelated condition. Which modifier generally identifies the unrelated procedure?

Answer choices

  1. A. Modifier 78
  2. B. Modifier 58
  3. C. Modifier 79
  4. D. Modifier 24

Correct answer

Modifier 79

Objective/domain: Coding Guidelines (7 questions)

Source: CMS — Medicare Claims Processing Manual, Chapter 12: Global Surgery

Question 8 An endocrine surgeon documents a thyroid nodule. Where is the thyroid gland primarily located?

Answer choices

  1. A. Anterior neck
  2. B. Left upper abdomen
  3. C. Posterior mediastinum
  4. D. Pelvic cavity

Correct answer

Anterior neck

Objective/domain: Anatomy (4 questions)

Source: NCBI Bookshelf — Medical Terminology: Anatomy and Body Systems

Question 9 A coder reads the diagnosis 'tendinitis' in an orthopedic note. Which interpretation of the suffix '-itis' is most accurate?

Answer choices

  1. A. Visual examination
  2. B. Abnormal narrowing
  3. C. Inflammation
  4. D. Surgical removal

Correct answer

Inflammation

Objective/domain: Medical Terminology (4 questions)

Source: NCBI Bookshelf — Medical Terminology

Question 10 An otolaryngologist passes a rigid endoscope through both nasal cavities to inspect the nasal passages, turbinates, and meatuses. No biopsy or debridement is performed. Which CPT code best reports the diagnostic nasal endoscopy?

Answer choices

  1. A. 92511
  2. B. 31231
  3. C. 31575
  4. D. 31237

Correct answer

31231

Objective/domain: CPT 30000 Series (6 questions)

Source: AAPC Codify — CPT 31231

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