AAPC CPC (Certified Professional Coder) Practice Test 54

Question 530

A midline cartilaginous airway runs inferior to the larynx before dividing into two main bronchi. Which listed anatomy corresponds to the description?

  1. Trachea
  2. Alveoli
  3. Epiglottis
  4. Pleura

Explanation

Correct Answer

A:

The windpipe conducts air to the bronchial tree and is supported by cartilage. Its bifurcation forms the main bronchi.

Incorrect Answers

B:

Oxygen and carbon dioxide exchange chiefly across the alveolar-capillary interface; these sacs do not serve as a primary conducting airway; to select this alternative the report would need terminal gas-exchange air sacs, whereas it identifies airway proximal to primary bronchi.

C:

This supraglottic structure helps direct swallowed material away from the airway; it is not a distal airway branch or gas-exchange surface; the operative or visit note documents airway proximal to primary bronchi instead of protection at the laryngeal inlet.

D:

The Pleura choice presumes the serous membrane surrounding lungs and lining the thoracic cavity, not a conducting airway or gas-exchange sac; the record instead establishes airway proximal to primary bronchi, making that alternative an inaccurate description.

Question 531

The operative note says right side while the diagnosis header says left side. What documentation rule controls the classification?

  1. COVID-19 confirmed case
  2. Nonprovider medication history as sole diagnosis source
  3. Compliant provider query for conflicting laterality
  4. BMI from ancillary documentation

Explanation

Correct Answer

C:

A compliant provider query resolves materially inconsistent documentation, such as different laterality in signed notes. The coder should not guess the side or replace provider clarification with a claim-processing assumption.

Incorrect Answers

A:

A confirmed infection is coded using the applicable current ICD-10-CM rules and any relevant additional codes; exposure or negative screening is a different classification; the documented detail of conflicting laterality across signed documentation prevents classifying it as documented current coronavirus disease infection.

B:

The distinguishing evidence for Nonprovider medication history as sole diagnosis source would be a drug list by itself, which does not establish a conflicting physician diagnosis or confirmed infection; the described patient or procedure has conflicting laterality across signed documentation, not those features.

D:

ICD-10-CM permits BMI values documented by qualifying non-provider personnel when the associated diagnosis comes from the provider; the numerical measure alone does not authorize assigning obesity as a diagnosis; the reported work involves conflicting laterality across signed documentation and does not establish provider-diagnosed condition with ancillary BMI value.

Question 532

The patient has laboratory-confirmed HIV but no documented HIV-related disease and is not being treated for a complication. Which diagnosis or encounter type is supported by this note?

  1. Confirmed COVID-19
  2. Acute otitis media
  3. Asymptomatic HIV infection status
  4. Acute viral upper respiratory infection

Explanation

Correct Answer

C:

Asymptomatic HIV status follows distinct guideline criteria from symptomatic HIV disease. The mere positivity does not automatically imply an opportunistic complication.

Incorrect Answers

A:

A current confirmed COVID-19 illness uses the applicable active infection code; suspected exposure and a historical past infection require different reasoning; the distinction is the record’s confirmed HIV without HIV-related illness versus the alternative of clinically established current COVID infection.

B:

The distinguishing evidence for Acute otitis media would be clinician-confirmed infection of the middle ear, not the documented upper-respiratory or throat infection or virus status; the described patient or procedure has confirmed HIV without HIV-related illness, not those features.

D:

A viral upper respiratory syndrome is not equivalent to pneumonia affecting the lung parenchyma; the physician's diagnostic term determines specificity; confirmed viral upper airway illness is not recorded; the evidence points to confirmed HIV without HIV-related illness.

Question 533

A persistent draining channel in a healed incision is probed and treated after surgery. What specific intervention does the note establish?

  1. Limited pilonidal cyst excision
  2. Pilonidal excision with flap reconstruction
  3. Extensive pilonidal tract excision
  4. Postoperative sinus tract exploration

Explanation

Correct Answer

D:

A postoperative sinus tract differs from a new pilonidal pit or a fresh uncomplicated skin abscess. The etiology and procedure determine whether a tract-directed service applies.

Incorrect Answers

A:

Limited sinus excision follows the anatomic extent and complexity documented; A mere I&D is less extensive, while complicated branching disease may require broader removal; the documented detail of exploration of established postoperative draining tract prevents classifying it as small localized pilonidal tract removed.

B:

The Pilonidal excision with flap reconstruction choice presumes excision of a complex pilonidal tract followed by a documented local flap reconstruction; the record instead establishes exploration of established postoperative draining tract, making that alternative an inaccurate description.

C:

Complicated pilonidal surgery is supported by the extensive disease and operative work, not solely by the length of surgery; it differs from limited tract excision; the scenario instead describes exploration of established postoperative draining tract, without demonstrating extensive branching pilonidal sinus surgery.

Question 534

The lower leg is removed through tibia and fibula with preservation of the knee joint. Which choice most accurately names the work performed?

  1. Below-knee amputation
  2. Knee disarticulation amputation
  3. Above-knee amputation
  4. Finger amputation

Explanation

Correct Answer

A:

A transtibial amputation retains the knee, a critical distinction from thigh-level removal. Identify open versus completed closure stages where documented.

Incorrect Answers

B:

The required element for Knee disarticulation amputation is removal of the lower limb through the knee joint, distinct from an above-knee femoral cut or below-knee tibial cut; what is described is leg removed below preserved knee joint, without evidence for the alternative feature.

C:

A transfemoral amputation passes through the thigh; it is more proximal than a transtibial or partial-foot procedure; what was actually documented is leg removed below preserved knee joint, not the different evidence of thigh-level limb removal including knee.

D:

Digit amputation is classified by the specific finger and resection level; it is not a complete hand or lower-extremity amputation; the controlling finding is leg removed below preserved knee joint, which is distinct from removal of a finger at documented phalangeal level.

Question 535

A catheter device physically cuts and retrieves atherosclerotic plaque from an artery. How should the clinician’s described operative work be identified?

  1. Balloon angioplasty
  2. Directional atherectomy
  3. Catheter-directed intra-arterial thrombolysis
  4. Diagnostic arterial angiography

Explanation

Correct Answer

B:

Atherectomy debulks plaque rather than only compressing it. Device type, vessel territory, and any stenting determine the applicable endovascular family.

Incorrect Answers

A:

Angioplasty mechanically expands a stenotic lumen; it differs from stent deployment or removing atheroma with an atherectomy device; the patient record supports mechanical removal of arterial plaque rather than the alternative finding of balloon-based enlargement of artery.

C:

The required element for Catheter-directed intra-arterial thrombolysis is delivery of a clot-dissolving agent into an artery rather than angiography, balloon dilation, atherectomy, or stent deployment; what is described is mechanical removal of arterial plaque, without evidence for the alternative feature.

D:

Angiography images vessels using contrast; separate diagnostic reporting alongside treatment depends on strict documentation and applicable rules; visualization alone is not angioplasty; this clinical evidence establishes mechanical removal of arterial plaque, not contrast-based arterial lumen imaging only.

Question 536

A raised colon polyp is encircled and transected with a wire snare. How should the clinician’s described operative work be identified?

  1. Colonoscopy with snare polypectomy
  2. Screening or diagnostic colonoscopy
  3. Colonoscopy with lesion ablation
  4. Colonoscopy with endoscopic mucosal resection

Explanation

Correct Answer

A:

Snare removal resects polyp tissue with a loop device. The selected technique, not polyp diameter alone, distinguishes it from forceps biopsy or ablation.

Incorrect Answers

B:

Inspection-only colonoscopy is selected according to screening versus diagnostic context and payer requirements; it differs from tissue sampling or polyp removal; the reported work involves mechanical snare excision of colonic polyp and does not establish complete colon inspection without tissue intervention.

C:

Endoscopic destruction removes tissue by ablative energy rather than snare excision; the actual tool and method are necessary for coding; the scenario instead describes mechanical snare excision of colonic polyp, without demonstrating ablation of colonic lesion without resection.

D:

Colonoscopy with endoscopic mucosal resection refers to documented submucosal lift and specialized mucosal resection of a colon lesion, distinct from simple forceps sampling, snare polypectomy, or ablation, but the documented clinical work is mechanical snare excision of colonic polyp; choosing it would misclassify the documented encounter.

Question 537

A diagnostic core of kidney cortex is obtained through the flank using a needle. Which anatomical operation is indicated by the described work?

  1. Percutaneous renal biopsy
  2. Partial nephrectomy
  3. Renal cyst laparoscopic decortication
  4. Radical nephrectomy

Explanation

Correct Answer

A:

Percutaneous renal biopsy obtains tissue without open renal surgical exposure. Guidance and imaging inclusion must follow current applicable procedure codes.

Incorrect Answers

B:

Partial nephrectomy is organ-preserving surgical excision, not total kidney removal; tumor resection margins and surgical approach affect the detailed classification; the chart records needle sampling of renal cortex through skin rather than removal of only part of kidney.

C:

Although Renal cyst laparoscopic decortication may sound adjacent, it denotes opening and excision of a simple kidney-cyst wall rather than renal biopsy, kidney removal, or external drainage; this record documents needle sampling of renal cortex through skin, which is distinct from that alternative.

D:

Radical removal excises the renal unit with oncologic extent determined by documentation; it differs from partial renal excision or simply draining the collecting system; the distinction is the record’s needle sampling of renal cortex through skin versus the alternative of full kidney resection for malignant disease.

Question 538

A chronic eardrum perforation is repaired using tissue graft to restore membrane integrity. What kind of surgical work has been documented?

  1. External auditory canal exostosis removal
  2. Tympanoplasty
  3. Myringotomy with ventilation tube
  4. Mastoidectomy

Explanation

Correct Answer

B:

Tympanoplasty reconstructs tympanic membrane, with or without ossicular work depending on type. It is more than a temporary drainage incision.

Incorrect Answers

A:

External auditory canal exostosis removal refers to excision of a bony overgrowth from the external canal, not cerumen extraction, eardrum repair, myringotomy, or mastoid surgery, but the documented clinical work is graft repair of perforated tympanic membrane; choosing it would misclassify the documented encounter.

C:

Tube placement ventilates the middle-ear cavity; it is not reconstructive replacement of a perforated tympanic membrane; what was actually documented is graft repair of perforated tympanic membrane, not the different evidence of tympanic membrane opening with ventilation tube inserted.

D:

Mastoidectomy removes diseased mastoid bone and air cells; it differs from eardrum-only reconstruction and simple cerumen extraction; the chart records graft repair of perforated tympanic membrane rather than operative removal of mastoid air cell system.

Question 539

Early pregnancy sonography confirms intrauterine gestation and estimates gestational age by crown-rump length. Which imaging choice accurately represents the acquisition?

  1. Nuchal translucency measurement
  2. First-trimester dating ultrasound
  3. Second-trimester detailed anatomic survey
  4. Transabdominal cervical-length assessment

Explanation

Correct Answer

B:

First-trimester evaluation uses early fetal measurements and pregnancy location. It differs from later detailed structural survey or interval growth testing.

Incorrect Answers

A:

Nuchal translucency is a specific first-trimester screening parameter; A general dating ultrasound does not automatically include the formal measurement; the controlling finding is early pregnancy location and dating measurements, which is distinct from measured posterior fetal neck translucency.

C:

Detailed fetal anatomy evaluation surveys structures beyond simple dating or limited follow-up; the actual documentation must support the detailed exam; what was actually documented is early pregnancy location and dating measurements, not the different evidence of structured comprehensive fetal anatomic assessment.

D:

Transabdominal cervical-length assessment is supported by documentation of focused maternal cervical imaging rather than detailed fetal anatomy, nuchal translucency, dating, or growth calculations; here the decisive finding is early pregnancy location and dating measurements; the defining work for this distractor is absent.

Question 540

The laboratory measures cardiac troponin after an episode of acute chest discomfort. What laboratory analysis is established by these steps?

  1. Troponin assay
  2. Plasma glucose measurement
  3. Serum thyroid-stimulating hormone assay
  4. Oral glucose tolerance test

Explanation

Correct Answer

A:

Troponin reflects myocardial injury and is a specific biochemical assay. The result does not independently establish an infarction without clinical assessment.

Incorrect Answers

B:

Glucose testing reports current blood sugar concentration; it differs from HbA1c's longer-term measure and a multistep tolerance challenge; the documented detail of measurement of cardiac injury biomarker prevents classifying it as single-time serum or plasma glucose concentration.

C:

Serum thyroid-stimulating hormone assay is supported by documentation of quantitative thyroid hormone regulatory assay rather than glucose tolerance, cardiac troponin, HbA1c, or plasma glucose; here the decisive finding is measurement of cardiac injury biomarker; the defining work for this distractor is absent.

D:

An OGTT evaluates glucose handling over several time points; it is not adequately characterized by a single fasting result; this clinical evidence establishes measurement of cardiac injury biomarker, not timed glucose response after standardized oral challenge.

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