QUESTIONS AND CORRECT ANSWERS | VERIFIED
SOLUTIONS | COMPLETE STUDY GUIDE
• This COBA 2026 exam guide contains 200 verified multiple-choice questions with
correct answers and EXPERT RATIONALE to help you study efficiently and
confidently.
• Each question follows a structured format with five options (A–E), a highlighted
correct answer, and a EXPERT RATIONALE — making it ideal for self-testing and
deep understanding.
1. What does COBA stand for in the context of ophthalmology billing and
coding?
A. Certified Outpatient Billing Administrator
B. Certified Ophthalmic Business Administrator
C. Certified Ophthalmology Billing Associate
D. Credentialed Ophthalmic Business Analyst
E. Certified Outpatient Business Administrator
Correct Answer: B. Certified Ophthalmic Business Administrator
EXPERT RATIONALE: COBA stands for Certified Ophthalmic Business Administrator, a
credential awarded by the Joint Commission on Allied Health Personnel in
Ophthalmology (JCAHPO) to professionals who demonstrate expertise in ophthalmic
practice management, billing, and coding.
2. Which organization administers the COBA certification examination?
A. American Academy of Ophthalmology (AAO)
B. American Medical Association (AMA)
C. Joint Commission on Allied Health Personnel in Ophthalmology (JCAHPO)
D. Centers for Medicare and Medicaid Services (CMS)
,E. American Health Information Management Association (AHIMA)
Correct Answer: C. Joint Commission on Allied Health Personnel in
Ophthalmology (JCAHPO)
EXPERT RATIONALE: JCAHPO is the credentialing body responsible for administering the
COBA exam, which assesses competency in ophthalmic business administration
including coding, billing, compliance, and practice management.
3. Which code set is primarily used for reporting ophthalmic procedures in the
outpatient setting?
A. ICD-10-CM
B. HCPCS Level II
C. CPT (Current Procedural Terminology)
D. ICD-10-PCS
E. DSM-5
Correct Answer: C. CPT (Current Procedural Terminology)
EXPERT RATIONALE: CPT codes, maintained by the AMA, are used to report medical,
surgical, and diagnostic procedures in outpatient settings, including ophthalmic
procedures such as cataract surgery and retinal treatments.
4. ICD-10-CM codes are used primarily for:
A. Reporting physician procedures
B. Reporting durable medical equipment
C. Reporting diagnoses and reasons for encounters
D. Reporting anesthesia services
E. Reporting laboratory tests
Correct Answer: C. Reporting diagnoses and reasons for encounters
,EXPERT RATIONALE: ICD-10-CM (International Classification of Diseases, 10th Revision,
Clinical Modification) is the code set used to document diagnoses, symptoms, and
reasons for patient encounters, required on all claims submitted to payers.
5. What is the correct ICD-10-CM code category for glaucoma?
A. H25
B. H40
C. H52
D. H35
E. H26
Correct Answer: B. H40
EXPERT RATIONALE: ICD-10-CM category H40 covers glaucoma. Subcategories specify
the type (e.g., open-angle, angle-closure) and laterality, which are essential for accurate
claims submission in ophthalmology.
6. Which CPT code is used for a comprehensive eye examination of a new
patient?
A. 92002
B. 92004
C. 92012
D. 92014
E. 99213
Correct Answer: B. 92004
EXPERT RATIONALE: CPT 92004 represents a comprehensive ophthalmological service
for a new patient. It includes a general and special ophthalmological examination with
initiation of a diagnostic and treatment program.
, 7. CPT code 92014 represents:
A. Intermediate ophthalmological service for a new patient
B. Comprehensive ophthalmological service for a new patient
C. Comprehensive ophthalmological service for an established patient
D. Intermediate ophthalmological service for an established patient
E. Annual wellness vision examination
Correct Answer: C. Comprehensive ophthalmological service for an
established patient
EXPERT RATIONALE: CPT 92014 is used for a comprehensive ophthalmological service
provided to an established patient, including evaluation of the complete visual system.
8. What does the modifier -25 indicate on a claim?
A. Bilateral procedure
B. Significant, separately identifiable E/M service on the same day as a procedure
C. Reduced services
D. Repeat procedure by the same physician
E. Assistant surgeon
Correct Answer: B. Significant, separately identifiable E/M service on the
same day as a procedure
EXPERT RATIONALE: Modifier -25 is appended to an E/M code to indicate that a
significant, separately identifiable evaluation and management service was performed
by the same physician on the same day as a procedure or other service.
9. Which modifier indicates a procedure was performed on the left eye?