COC (Certified Outpatient Coder (AAPC)) — Free Online Mock Test
AAPC outpatient hospital + ASC coding credential. 100 multiple-choice questions on CPT for facility outpatient services, ICD-10-CM, HCPCS, ED levels, APCs, and OPPS. 4 hours · 70% to pass. · Official language: English.
Advanced
United States
Medical Licensing
100 questions
240 min
50 distinct variants
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COC section breakdown
The COC mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
COC scoring & marking scheme
100–1000
Scaled score range
Strategy: COC has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: COC (pass 70%).
How COC is conducted
Mode
Proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow (face detection, room scan, fullscreen lock, tab-switch detection).
Test format
Linear / fixed-form — every candidate sees the same number of questions per section.
Backtracking
Allowed — you can revisit and change answers within a section.
Mark for review
Available — flag tough questions and return to them before submitting the section.
COC time strategy
With 100 questions in 240 minutes, you have about 144 seconds per question on average. Successful candidates aim for the following pacing on each section:
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
COC topics covered
Across the 50 Wrexa Edge variants of COC, the following topics appear most often (sample distribution from one variant):
COC Full Exam (100 Q)
- ICD-10-CM · 20
- CPT — Modifiers · 15
- Claims / Billing · 11
- CPT — E/M · 7
- ICD-10-PCS · 7
- HCPCS · 6
- IPPS / POA · 5
- CPT — Symbols · 4
Sample COC questions
A preview of real practice questions from the Wrexa Edge COC bank — the same style, phrasing and difficulty you'll face on test day. Full solutions unlock free inside the mock.
COC Full Exam (100 Q) · CPT — Sections
Q1. The CPT Radiology section uses which range?
Why: Correct answer: D — 70010-79999. Topic: CPT — Sections.
COC Full Exam (100 Q) · CPT — Sections
Q2. The CPT Pathology and Laboratory section uses which range?
Why: Correct answer: A — 80047-89398. Topic: CPT — Sections.
COC Full Exam (100 Q) · CPT — Sections
Q3. The CPT Medicine section (non-E/M, non-surgical) uses which range?
Why: Correct answer: B — 90281-99607. Topic: CPT — Sections.
COC Full Exam (100 Q) · CPT — Symbols
Q4. A "+" symbol next to a CPT code indicates it is:
Why: Correct answer: C — An add-on code reported in addition to the primary procedure. Topic: CPT — Symbols.
COC Full Exam (100 Q) · CPT — Symbols
Q5. The "⌀" (null zero / circle with slash) symbol next to a CPT code indicates:
Why: Correct answer: D — Modifier 51 exempt — cannot be appended with modifier 51. Topic: CPT — Symbols.
COC Full Exam (100 Q) · CPT — Symbols
Q6. A bullet "●" before a CPT code indicates it is:
Why: Correct answer: A — A new code for the current edition. Topic: CPT — Symbols.
These are a handful of the 5000 unique COC questions across all 50 Wrexa Edge variants — start a free mock to attempt the full set with instant scoring.
COC difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
AAPC outpatient hospital + ASC coding credential. 100 multiple-choice questions on CPT for facility outpatient services, ICD-10-CM, HCPCS, ED levels, APCs, and OPPS. 4 hours · 70% to pass. · Official language: English.
Verified content — Wrexa Edge's COC bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for COC
Real test-day interface
Our cert skin mirrors the actual COC testing software — same timer, palette, tools, and navigation.
50 distinct variants
5000 unique practice questions, each variant a fresh test — not just shuffled options.
Detailed analytics
Scaled score, section accuracy, topic-wise heatmap, time-per-question — see where to focus after every attempt.
Spaced repetition (Notebook)
Wrong answers and flagged questions flow into an SM-2 spaced-repetition deck so you actually retain what you learn.
Optional proctoring
Browser-based face-api detection (no install) — turn it on to simulate real COC test-day conditions.
Free to start
No credit card. Sign up, pick a variant, and your first COC mock starts in under a minute.
COC study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
1
Phase 1 — Learn the syllabus
Weeks 1–4
- Work through every section — COC Full Exam (100 Q) — from your core study material
- Make short notes and a formula/fact sheet you can revise quickly
- Attempt topic questions right after finishing each area
2
Phase 2 — Practice & sectionals
Weeks 5–8
- Solve previous-year and practice questions section by section
- Time yourself on COC Full Exam (100 Q) and your weakest areas
- Keep an error log and revisit every mistake weekly
3
Phase 3 — Full-length mocks
Weeks 9–12
- Take full-length COC mocks in the real test interface
- Analyse accuracy, time per question and silly mistakes after each mock
- Revise from notes and re-attempt only weak-topic questions
Where COC can take you
A strong COC result opens up these careers and higher-study paths:
Clinical practice
A pass grants the licence required to practise and treat patients in your jurisdiction.
Residency & specialisation
Qualifies you for residency, postgraduate training and specialist certification.
Hospital & public health roles
Positions across hospitals, public-health services and research institutions.
Frequently asked questions
- What is the COC exam pattern?
- Certified Outpatient Coder (AAPC) contains 100 questions across 1 section: COC Full Exam (100 Q). Total duration is 240 minutes (about 144 seconds per question).
- Does COC have negative marking?
- No — COC has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is COC scored?
- Scaled score range: 100 to 1000. COC (pass 70%).
- How can I practise COC online for free?
- Wrexa Edge gives you 10 free full-length COC mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of COC?
- COC is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. AAPC outpatient hospital + ASC coding credential. 100 multiple-choice questions on CPT for facility outpatient services, ICD-10-CM, HCPCS, ED levels, APCs, and OPPS. 4 hours · 70% to pass. · Official language: English.
- How long is the COC exam?
- COC runs for 240 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in COC?
- COC is split into: COC Full Exam (100 Q). Each section is timed and weighted separately. AAPC outpatient hospital + ASC coding credential. 100 multiple-choice questions on CPT for facility outpatient services, ICD-10-CM, HCPCS, ED levels, APCs, and OPPS. 4 hours · 70% to pass. · Official language: English.
- What tools or aids are allowed during COC?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the COC test adaptive?
- No — COC is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many COC mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct COC variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 5000 unique practice questions in the real test-day interface.
- Is there a free COC test series 2026?
- Yes. The Wrexa Edge COC test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are COC previous year question–style papers included?
- Every COC mock is modelled on the official exam pattern and the style of previous years' papers — the same 100-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free COC mock test online?
- Wrexa Edge's COC mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the COC mock test on mobile?
- Yes. COC mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the COC syllabus?
- The COC syllabus maps to its 1 section: COC Full Exam (100 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for COC?
- Eligibility for COC — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic COC practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the COC exam and how should I prepare?
- Official COC exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free COC mocks with instant scoring so you can track your readiness week by week.
Ready to ace COC?
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