AAPC CPC (Certified Professional Coder) Practice Test 25

Question 240

A drug is supplied in 10-mg billing units and the record shows a 30-mg administered amount. Which HCPCS distinction is supported by the note?

  1. Drug wastage modifier JW
  2. Modifier UD for state Medicaid drug pricing
  3. No-waste modifier JZ
  4. HCPCS dosage unit conversion

Explanation

Correct Answer

D:

A HCPCS drug code's unit descriptor determines submitted units, which may differ from milligrams or vial count. Accurate calculations prevent over- and under-reporting.

Incorrect Answers

A:

JW reports eligible discarded quantities from certain single-dose containers under Medicare rules; documentation and product eligibility matter; it is not an administered dose; the documented detail of converting administered dose to code-defined units prevents classifying it as reportable discarded single-dose drug remainder.

B:

The distinguishing evidence for Modifier UD for state Medicaid drug pricing would be a Medicaid-specific drug-pricing identification instead of discarded amount, zero discarded drug, dose-unit calculation, or NDC; the described patient or procedure has converting administered dose to code-defined units, not those features.

C:

JZ indicates no drug wastage for covered products subject to that Medicare reporting requirement; it is not a generic indication of zero drug administered; what was actually documented is converting administered dose to code-defined units, not the different evidence of eligible single-dose medication with no waste.

Question 241

Devitalized burn tissue is surgically shaved in layers until viable bleeding tissue is reached. Which procedure best captures the surgeon’s documented action?

  1. Escharotomy
  2. Burn skin grafting
  3. Tangential burn excision
  4. Routine dressing change of a healed burn

Explanation

Correct Answer

C:

Tangential excision is active surgical removal of burned tissue, with extent and site determining code choices. It is distinct from dressing changes or releases of constricting eschar.

Incorrect Answers

A:

Escharotomy relieves constriction by incising burned tissue; it is not the same as removing the eschar or grafting the defect; vascular compromise supports the indication; the distinction is the record’s layered excision of burn eschar to viable tissue versus the alternative of release incision through circumferential burn eschar.

B:

Grafting restores coverage over an excised burn area; graft type, recipient area, and any separate harvest reporting rules must be considered; it is more than topical care; autologous graft used to resurface burn defect is not recorded; the evidence points to layered excision of burn eschar to viable tissue.

D:

Routine dressing change of a healed burn reflects ordinary follow-up dressings without active eschar release, excision, grafting, or wound debridement, whereas the clinical note identifies layered excision of burn eschar to viable tissue; the different evidence changes the classification.

Question 242

A painful unstable joint is surgically fused so movement at that joint is eliminated. Which completed intervention does this operative description support?

  1. Arthroscopic joint capsular release
  2. Ligament reconstruction
  3. Joint arthrodesis
  4. Ligament direct repair

Explanation

Correct Answer

C:

Arthrodesis creates bony fusion for stability or pain control. It is the opposite functional goal from a motion-preserving joint replacement.

Incorrect Answers

A:

The required element for Arthroscopic joint capsular release is cutting a contracted joint capsule to improve range of motion instead of replacing, fusing, or repairing ligaments; what is described is intended permanent bony fusion of joint, without evidence for the alternative feature.

B:

Reconstruction creates a substitute ligament, in contrast with suturing native ligament edges or releasing contracted tissue; the graft and anatomical target govern coding detail; what was actually documented is intended permanent bony fusion of joint, not the different evidence of graft-based replacement of ligament.

D:

Direct repair preserves and fixes remaining native ligament rather than reconstructing it using a new tissue graft; operative language should establish which was performed; what was actually documented is intended permanent bony fusion of joint, not the different evidence of suture reattachment of native torn ligament.

Question 243

A bradyarrhythmia patient receives a new pulse generator and intracardiac leads. Which choice fits the operative site and technique described?

  1. New permanent pacemaker system
  2. Temporary transvenous pacemaker placement
  3. Pacemaker generator exchange
  4. Pacemaker system removal

Explanation

Correct Answer

A:

Initial pacemaker implantation establishes new generator and lead components. Identify chambers and approach; it differs from changing an exhausted generator only.

Incorrect Answers

B:

Temporary transvenous pacemaker placement refers to short-term pacing lead and external generator rather than a newly implanted permanent system or its revision or exchange, but the documented clinical work is first-time generator and pacing lead implantation; choosing it would misclassify the documented encounter.

C:

Generator replacement swaps the pulse-producing unit without necessarily replacing leads; lead work must be specifically documented if present; the operative or visit note documents first-time generator and pacing lead implantation instead of exchange of battery generator with preserved leads.

D:

Extraction removes implanted cardiac device components; the scope is determined by what is actually removed and the technique used; the distinction is the record’s first-time generator and pacing lead implantation versus the alternative of explantation of infected implanted pacing hardware.

Question 244

A laparoscope is used to inspect liver surface and excise a small biopsy sample. What procedure can be distinguished from the alternatives using these facts?

  1. Percutaneous liver needle biopsy
  2. Laparoscopic liver biopsy
  3. Transjugular liver biopsy
  4. Hepatic wedge resection

Explanation

Correct Answer

B:

Laparoscopic tissue sampling differs from percutaneous needle access. It is diagnostic and not a definitive segmental liver resection.

Incorrect Answers

A:

Percutaneous biopsy samples liver without a laparoscopic or open surgical exposure; image guidance and technique may be included or separately governed by current codes; the distinction is the record’s liver tissue biopsy under laparoscopy versus the alternative of needle sampling of hepatic parenchyma through skin.

C:

The distinguishing evidence for Transjugular liver biopsy would be liver tissue sampled through venous access using a transjugular route rather than percutaneous or laparoscopic approach or hepatic resection; the described patient or procedure has liver tissue biopsy under laparoscopy, not those features.

D:

Wedge excision removes a limited nonanatomic portion of liver; an anatomic lobar or segmental resection is more extensive and uses different operative boundaries; the operative or visit note documents liver tissue biopsy under laparoscopy instead of localized nonanatomic liver tissue removal.

Question 245

A small bladder lesion is destroyed with electrocautery and no full resection specimen is collected. What intervention should be recognized from this operative detail?

  1. Cystoscopic bladder biopsy
  2. Cystoscopic bladder fulguration
  3. Cystoscopic bladder stone fragmentation
  4. Diagnostic cystoscopy

Explanation

Correct Answer

B:

Fulguration destroys tissue through a scope, differing from forceps biopsy or loop resection. The documented lesion size and intent affect code choice.

Incorrect Answers

A:

Bladder biopsy obtains tissue for histology but does not remove a bulky tumor by resection; number and locations of biopsies follow code-specific instructions; the chart records cautery destruction of bladder lesion rather than endoscopic sampling of bladder mucosa.

C:

Cystoscopic bladder stone fragmentation refers to endoscopic fragmentation of a urinary bladder calculus rather than biopsy, fulguration, tumor resection, or diagnostic inspection, but the documented clinical work is cautery destruction of bladder lesion; choosing it would misclassify the documented encounter.

D:

Diagnostic cystoscopy is direct visual assessment of the lower urinary tract; therapeutic actions through the scope change the procedure family; the documented detail of cautery destruction of bladder lesion prevents classifying it as inspection-only endoscopy of bladder.

Question 246

A temporary skull flap is lifted to excise an intracranial neoplasm under direct visualization. What kind of surgical work has been documented?

  1. Craniotomy for brain tumor resection
  2. Evacuation of acute epidural hematoma
  3. Intracranial neuroendoscopy
  4. Burr-hole drainage of subdural collection

Explanation

Correct Answer

A:

Craniotomy provides broad access through a bone flap and permits definitive tumor removal. It is distinct from small stereotactic diagnostic sampling.

Incorrect Answers

B:

Evacuation of acute epidural hematoma corresponds to craniotomy or burr-hole evacuation of blood outside the dura rather than a documented subdural collection or brain-tumor biopsy or resection; the record specifies skull bone flap opening for brain tumor excision. Those details establish different classifications.

C:

Neuroendoscopy visualizes intracranial spaces through a scope; the documented therapeutic maneuver, if any, differentiates it from needle biopsy and open resection; the controlling finding is skull bone flap opening for brain tumor excision, which is distinct from intraventricular inspection via cerebral endoscope.

D:

Burr-hole drainage accesses a collection through limited trephinations; it is not the same as a craniotomy requiring a raised bone flap; the reported work involves skull bone flap opening for brain tumor excision and does not establish limited skull openings to evacuate subdural fluid.

Question 247

A lumbar examination includes multiple specified projections rather than only an AP and lateral pair. How should the completed examination be classified?

  1. Two-view chest radiography
  2. Complete lumbar spine radiographic series
  3. Single-view abdominal radiograph
  4. Dedicated rib radiographic series

Explanation

Correct Answer

B:

Spine radiography code selection depends on the named region and views performed. Do not assume a complete series when only limited projections exist.

Incorrect Answers

A:

Two orthogonal chest projections provide anatomic assessment beyond a single frontal film; the number of views actually obtained determines the appropriate radiography category; the documented detail of documented complete multi-projection lumbar series prevents classifying it as frontal and lateral chest x-ray views.

C:

Although Single-view abdominal radiograph may sound adjacent, it denotes plain-film imaging of the abdomen rather than focused chest, ribs, or lumbar spine; this record documents documented complete multi-projection lumbar series, which is distinct from that alternative.

D:

Rib imaging focuses on osseous thoracic structures rather than simply general lung parenchyma; whether a chest view accompanies the rib series matters; the distinction is the record’s documented complete multi-projection lumbar series versus the alternative of targeted radiographs of rib bones.

Question 248

Erythrocytes from a patient with suspected hemolysis are tested for immunoglobulin or complement bound to their surface. Which test best corresponds to this analytical method?

  1. Post-transfusion hemoglobin measurement
  2. Direct antiglobulin test
  3. Compatibility crossmatch
  4. Red-cell antibody screen

Explanation

Correct Answer

B:

The DAT evaluates in-vivo coating of red cells, unlike an indirect antibody screen of free plasma antibodies. The distinguishing record detail is detection of antibody or complement coating red cells.

Incorrect Answers

A:

Selecting Post-transfusion hemoglobin measurement would require measurement of hemoglobin after transfusion rather than ABO/Rh identification, antigen-antibody compatibility, screening, or DAT; the actual document states detection of antibody or complement coating red cells, which distinguishes the correct choice.

C:

Crossmatching links a specific product to the intended recipient under applicable criteria; it is distinct from a general antibody screen without a donor unit; this clinical evidence establishes detection of antibody or complement coating red cells, not compatibility assessment for a designated donor unit.

D:

Antibody screening detects alloantibodies beyond ABO grouping; A negative screen is not the same as performing a particular donor-unit crossmatch; to select this alternative the report would need screening plasma for irregular erythrocyte antibodies, whereas it identifies detection of antibody or complement coating red cells.

Question 249

Staff administer an ordered vaccine by intramuscular injection after consent and preparation. What service designation is appropriate to the note?

  1. Serologic measurement of vaccine immunity
  2. Pediatric immunization counseling
  3. Vaccine product reporting
  4. Vaccine administration service

Explanation

Correct Answer

D:

Administration coding describes the professional work of giving an immunization and depends on age, counseling, route, and code-specific rules. It is not the vaccine itself.

Incorrect Answers

A:

Serologic measurement of vaccine immunity corresponds to laboratory measurement of existing antibodies rather than supplying, counseling about, or administering a vaccine; the record specifies injection work of administering vaccine. Those details establish different classifications.

B:

Some pediatric vaccine administration codes distinguish physician or qualified professional counseling when age and other criteria are satisfied; simple injection without such documentation is different; this clinical evidence establishes injection work of administering vaccine, not documented provider counseling on vaccine components.

C:

The vaccine product and its administration are conceptually distinct services; product selection depends on formulation and applicable season code rather than equating the product with injection work; the patient record supports injection work of administering vaccine rather than the alternative finding of actual immunizing biologic product supplied.

Question 250

A clinician evaluates an eligible patient by real-time audio-video link under a payer-recognized telehealth policy. Which E/M reporting approach is consistent with this documentation?

  1. Synchronous telehealth E/M visit
  2. Automated portal appointment reminder
  3. Asynchronous online digital E/M
  4. Telephone-only professional evaluation

Explanation

Correct Answer

A:

Telehealth reporting depends on code, place of service, modifier, patient location, date, and payer rules. The clinical E/M requirements do not disappear because communication is remote.

Incorrect Answers

B:

Automated portal appointment reminder involves computer-generated notification without an eligible professional E/M evaluation or monitoring service; the note describes real-time remote clinical evaluation with visual connection instead, changing the applicable classification.

C:

Online digital E/M involves asynchronous assessment with time or cumulative-period criteria; it is not simply a scheduled real-time video visit; the documented detail of real-time remote clinical evaluation with visual connection prevents classifying it as clinician assessment through non-real-time patient portal.

D:

Audio-only services can follow distinct code and payer requirements; they should not automatically be billed as an in-person office examination; the documented detail of real-time remote clinical evaluation with visual connection prevents classifying it as professional clinical assessment conducted by phone only.

Certified Professional Coder (CPC) Practice Tests