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COC – Certified Outpatient Coder | Final Exam Practice (100 Questions) – CPT, ICD-10-CM & HCPCS Coding | Surgery, Radiology, Pathology, Reimbursement – 2025/2026

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This document is a comprehensive COC final exam preparation guide containing 100 professionally solved questions covering essential topics in outpatient coding and billing. Structured to mirror the 2025/2026 Certified Outpatient Coder (COC) exam, it provides correct answers with explanations and coding references across CPT®, ICD-10-CM, and HCPCS Level II, helping learners master the most tested areas in the certification. The content includes a wide range of coding scenarios and definitions, such as: CPT and ICD-10-CM code selection for outpatient radiology, surgeries, pathology, and emergency services Realistic case-based documentation analysis including imaging reports, operative summaries, and patient records Facility coding rules and compliance (e.g., APC, OPPS, UB-04 billing, Medicare requirements) Terminology and concept reviews (e.g., peristalsis, ganglion cysts, electrodessication, fractionation) Specific reimbursement coding logic for Medicare claims, teaching hospitals, and bundled services Students preparing for the COC exam by AAPC, or similar credentials from AHIMA, will find this a high-value resource for practice, comprehension, and exam readiness. This resource is highly relevant for students in the following academic tracks: Health Information Management (HIM) Medical Billing and Coding programs Outpatient Coding and Compliance Certificate Programs Clinical Coding, CDI (Clinical Documentation Improvement) Allied Health and Nursing programs with a coding specialization The document suits learners from institutions such as DeVry University, Southern New Hampshire University (SNHU), Penn Foster, Pima Medical Institute, and other colleges offering outpatient coding or healthcare reimbursement education. Keywords: COC final exam, CPT coding practice, ICD-10-CM scenarios, HCPCS coding, outpatient billing, AAPC exam prep, radiology coding, Medicare outpatient claims, surgery CPT codes, emergency department coding, UB-04 form, medical coding compliance, OPPS billing, HIM certification, healthcare coding exam

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COC 2020 - FINAL EXAM STUDY
QUESTIONS (SET 6) 2025 QUESTIONS|
WITH ALREADY SOLVED CORRECTLY
ANSWERS!! | ASSURED SUCCESS



Each page of the medical record should contain the patient's or . - 🧠

ANSWER ✔✔name, patient ID number.


Electrocautery - 🧠 ANSWER ✔✔Instrument for directing electrical energy

through tissue for lesion destruction


Electrodessication - 🧠 ANSWER ✔✔The use of monopolar high frequency

electrical current for lesion removal

Exam: CT Abdomen Admitting Diagnosis: Pt states gallbladder problem

Clinical History: Right upper quadrant abdominal pain; history of colon

cancer; colostomy Comparison: None Result: The study was performed

with oral and intravenous contrast material (Isovue 300, 150 mL). The lung

,bases appear normal. The liver, spleen, both kidneys and adrenal glands

appear normal. There is faint calcification density in the dependent portion

of the gallbladder, suspicious for a possible gallstone. Recommend

ultrasound correlation. Visualized portions of the pancreas appear

unremarkable. There is no retroperitoneal lymphadenopathy. Opacified

bowel loops are unremarkable. Note is made of left lower quadrant

colostomy. No abnormality is noted within the pelvis. Impression: Small

calcification-appearing density in the dependent portion of the gallbladder,

suspicious for gallstone. Recommend ultrasound correlation. What CPT ®

and ICD-10 - 🧠 ANSWER ✔✔74160, Q9967 x 150, R10.11, Z85.038, Z93.3


Exam: CT Maxillofacial Admitting Diagnosis: Allergic rhinitis nasal

congestion Clinical History: Allergic rhinitis; nasal congestion; no

comparison Result: The paranasal sinuses are clear except for a small

mucus retention cyst in the base of the right maxillary sinus. This measures

about 5 mm. The osteomeatal complexes are patent. There are no air fluid

levels. There is mild nasal septal deviation towards the left side. The bones

appear intact. There are no soft tissue masses. Impression: Mild acute right

maxillary sinusitis, mild nasal septal deviation towards the left side. What

CPT ® and ICD-10-CM codes are reported by the facility? - 🧠 ANSWER

✔✔70486, J01.00, J34.2

, Exam: CT Maxillofacial WO contrast Admitting Diagnosis: Chronic Sinusitis

Clinical History: Chronic sinusitis Result: There has been a mild increase in

the amount of mucosal thickening seen anteriorly in the right sphenoid

sinus. There is opacification of multiple bilateral ethmoid air cells mildly

increased as well over the interval. There is an increasing amount of

lobulated mucosal disease seen along the floor of the frontal sinuses.

There is less than 1 cm of mucosal thickening seen along the floor of the

left maxillary sinus, probably not significantly changed. The left osteomeatal

unit is patent. There are a few millimeters of mucosal thickening along the

floor and lateral wall of the right maxillary sinus, slightly increased. The

osteomeatal unit is patent. There is bowing of the nasal septum to the right.

Impression: Sinusitis, mildly increased What CPT ® and ICD-10-CM codes

are reported by the facility? - 🧠 ANSWER ✔✔70486, J32.9


Exam: CT of the chest with intravenous contrast (Omnipaque 350, 150 mL)

Admitting Diagnosis: Difficulty swallowing Result: The transverse aorta is

prominent in size and measures approximately 3 centimeters in transverse

dimension. There are a couple of small right peritracheal lymph nodes

measuring a centimeter or less in size. No infiltrate or evidence of effusion

is seen. There is evidence of old granulomatous exposure. Impression:

Slight dilatation of the thoracic aorta. What CPT ®, HCPCS and ICD-10-CM

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