Certified Obstetrics Gynecology Coder Exam Prep
Free practice questions

Free COBGC Practice Questions

10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.

Start the free practice test → ★★★★★4.9/5 from 2,400+ candidates · No signup

The COBGC exam has 100 questions and runs 4 hours.

These 10 free COBGC questions are organized by exam domain, so you can see how each part of the Certified Obstetrics Gynecology Coder blueprint is tested. Reveal the answer and explanation under each question.

Domain 1: Core knowledge areas

Question 1

An operative report documents a laparoscopic hysterectomy. What should the coder identify before selecting the procedure code?

Show answer & explanation

Correct answer: A - The documented procedure and surgical approach

Question 2

A physician provides a significant evaluation and management service on the same day as a procedure. What should the coder review?

Show answer & explanation

Correct answer: A - Modifier guidance and whether both services are separately reportable

Question 3

Documentation does not support the specificity of a diagnosis code. What is the best action?

Show answer & explanation

Correct answer: A - Query the provider when clarification is appropriate

Domain 2: Obstetrics and maternity care

Question 4

A patient at 10 weeks gestation presents for ongoing prenatal management. Which coding principle should guide selection of diagnosis coding?

Show answer & explanation

Correct answer: B - Apply obstetric coding guidelines because the encounter concerns pregnancy care

Question 5

A pregnancy record documents multiple gestation requiring additional management. Which detail is especially important?

Show answer & explanation

Correct answer: B - The number of fetuses and pregnancy complication details

Question 6

A cesarean delivery record includes an operative report describing the performed procedure. Which source is most appropriate for procedure selection?

Show answer & explanation

Correct answer: A - The operative documentation

Domain 3: Gynecology and surgical procedures

Question 7

A surgeon removes uterine fibroids and documents a myomectomy without removal of the uterus. Which approach is correct?

Show answer & explanation

Correct answer: A - Code the documented myomectomy rather than assuming hysterectomy

Question 8

An operative note documents removal of an ovary but not removal of the uterus. Which procedure category should be considered?

Show answer & explanation

Correct answer: A - Oophorectomy

Domain 4: Diagnostic and specialty services

Question 9

A cervical specimen is collected after a routine examination. Which distinction is critical when reviewing coding?

Show answer & explanation

Correct answer: A - Whether the service is screening or evaluation of an abnormal finding

Question 10

A pregnancy ultrasound is performed to evaluate fetal development. Which factor supports correct coding?

Show answer & explanation

Correct answer: A - Linking the imaging service to appropriate obstetric documentation

That's 10 of 1,030

The full bank has 1,020 more COBGC questions with explanations.

Continue in the free practice test →

View plans