COBGC ICD-10 Coding for OB/GYN 1 — Questions and Answers
Question 1: What chapter of ICD-10-CM covers pregnancy?
- Chapter 15: Pregnancy, Childbirth, and the Puerperium (O00-O9A) (Correct answer)
- Chapter 1
- Chapter 21
- No specific chapter exists
Correct answer: Chapter 15: Pregnancy, Childbirth, and the Puerperium (O00-O9A)
Chapter 15 contains codes for all pregnancy-related conditions and complications.
Question 2: How is the trimester designated in OB ICD-10 codes?
- Through the 4th, 5th, or 6th character specifying first, second, or third trimester (Correct answer)
- Trimester is not coded
- Only the delivery date matters
- By a separate modifier
Correct answer: Through the 4th, 5th, or 6th character specifying first, second, or third trimester
ICD-10-CM pregnancy codes include trimester specificity as part of the code itself.
Question 3: What is a Z code in OB/GYN coding?
- Codes for encounters not related to illness, like routine prenatal visits and contraceptive management (Correct answer)
- Emergency codes
- Surgical codes
- Only used for newborns
Correct answer: Codes for encounters not related to illness, like routine prenatal visits and contraceptive management
Z codes capture routine and preventive healthcare encounters including normal prenatal care, screening, and contraceptive counseling.
Question 4: How are OB complications coded in ICD-10?
- Using specific codes from Chapter 15 that identify the condition and trimester (Correct answer)
- Only in progress notes
- As regular disease codes
- Complications are not coded
Correct answer: Using specific codes from Chapter 15 that identify the condition and trimester
Each pregnancy complication has specific ICD-10 codes that include trimester and other clinical details.
Question 5: What is the coding for ectopic pregnancy?
- ICD-10 codes O00.x specify the site (tubal, ovarian, abdominal) of the ectopic pregnancy (Correct answer)
- Same as normal pregnancy
- No specific code exists
- Only coded as a complication
Correct answer: ICD-10 codes O00.x specify the site (tubal, ovarian, abdominal) of the ectopic pregnancy
Ectopic pregnancy codes identify the specific anatomical location of the abnormal implantation.
Question 6: How are gynecologic cancers coded?
- Using ICD-10 codes specifying the site (cervix, uterus, ovary), histology, and stage (Correct answer)
- One code for all GYN cancers
- Only by organ
- Cancer is not coded by gynecologic specialty
Correct answer: Using ICD-10 codes specifying the site (cervix, uterus, ovary), histology, and stage
Cancer coding requires specificity about the primary site, behavior (malignant, in situ), and staging information.
What chapter of ICD-10-CM covers pregnancy?