Chapter 17 ICD 10 Questions and Answers
Welcome to Medico Pediaa – Congenital malformations, deformations, and chromosomal abnormalities represent one of the most important and sensitive chapters in the ICD-10-CM coding system. Covered under ICD-10 Chapter Q00–Q99, this section focuses on conditions that are present at birth, whether they are structural defects, genetic disorders, or chromosomal abnormalities identified during infancy or later in life.
For medical coding professionals, CPC exam candidates, ICD-10 learners, and healthcare students, mastering the Q00–Q99 codes is essential. These codes are widely used in pediatric coding, hospital inpatient and outpatient records, newborn care, and genetic disorder documentation. Even a small mistake in selecting the correct congenital code can lead to claim denials, compliance issues, or inaccurate clinical data reporting.
Start practicing these ICD-10 congenital anomaly questions to build a strong foundation in one of the most clinically significant chapters of the ICD-10-CM coding system.
Let’s Start –
Q1.What is the correct code for congenial anal fistula?
(A) K60.3
(B) L98.8
(C) K60.4
(D) Q43.6
Q2. A 53-year-old patient is seen for dysuria. He was diagnosed to have congenital prolapse of urinary meatus. Choose the correct ICD-10CM code for this patient?
(A) Q64.33
(B) Q64.72
(C) Q64.75
(D) Q64.12
Q3. A patient developed cleft nose. Identify the correct ICD-10CM Code?
(A) Q35.9
(B) Q30.2
(C) Q37.9
(D) Q30.9
Q4. A patient came today for annual physician examination. Last month, he underwent palatoplasty for cleft palate. Which of the following code should be used?
(A) Q35.9
(B) Z87.720
(C) Q37.9
(D) Z87.730
Q5. On ultrasound examination, a lady was found to have double uterus. Choose the correct code for this lady’s condition.
(A) Q51.2
(B) Q51.10
(C) Q51.820
(D) Q52.10
Q6. During a VATS procedure, surgeon found an extra lung lobe in a 19-year-old male. Select correct code for this gentleman who has total six lobes in the lungs.
(A) Q31.1
(B) Q32.1
(C) Q33.1
(D) Q34.1
Q7. By birth, a cyst was found on the pancreas upon examination of one-day-old newborn. How do you code this condition?
(A) Q45.9
(B) Q43.0
(C) Q45.2
(D) P91.1
Q8.Upon examination of a lady with double cervix, gynecologist found her to have septum in both uterus and vagina. What is the ICD-10CM code for this lady’s condition.
(A) Q51.2
(B) Q51.10
(C) Q51.820
(D) Q52.10
Q9. Identify the diagnosis code for a patient having Meckel’s Diverticulum….
(A) Q43.0
(B) C17.3
(C) Q43.8
(D) K57
Q10. Patient underwent surgical correction of penis for his hypospadias by an Andrology Surgeon in 2017. Today, he came for general adult examination. How you code it?
(A) Q55.1
(B) Z87.710
(C) Q54.9
(D) Z87.890
Chapter 17 ICD 10 Questions and Answers
Q11. A newborn is diagnosed with Fetal Alcohol Syndrome due to maternal alcohol use during pregnancy. Which code would be appropriate for the infant’s diagnosis?
(A) Z38.00
(B) Q86.0
(C) P74.1
(D) C00.0
Q12. A patient presents with a congenital absence of the radius (forearm bone) on the right arm. Which code block would you look in?
(A) Q00-Q07 (Nervous System)
(B) Q30-Q34 (Respiratory)
(C) Q70-Q74 (Limb/Musculoskeletal)
(D) Q80-Q82 (Other Malformations)
Q13.When coding congenital diverticulum of the intestine in a newborn, which ICD-10 guideline principle applies?
(A) Use codes from Chapter 11 (Digestive System) for K57.10 (Diverticulosis).
(B) An “Excludes1” note under K57.10 directs you to use a Q code.
(C) You must use a placeholder ‘X’ for the code.
(D) Code only the symptoms like dehydration.
Q14. New born delivered by C-section and transferred to NICU because of complete transposition of the great vessels and cyanosis.
(A) Z38.01 , Q20.3
(B) Q20.3 , Z38.01
(C) Z38.01 , Q21.3
(D) Z38.01 , Q28.2
Q15. 9 days old infant with tetralogy of fallot and pulmonary stenosis.
(A) Q55.2
(B) Q20.3
(C) Q86.0
(D) Q21.3
Q16. 7 month old infant with down syndrome and common atrioventricular canal.
(A) Q55.2 , Q90.9
(B) Q90.9 , Q21.2
(C) Q90.9 , Q28.2
(D) Q21.2
Q17. 4yrs old with history of corrected ventricular septal defect.
(A) Z86.74
(B) Z87.710
(C) Z87.890
(D) Z79.84
Q18. 40 yrs old man with headache diagnosed with congenital arteiovenous malformation of cerebral vessels by brain scan.
(A) Q20.3
(B) Q28.9
(C) Q38.2
(D) Q54.9
Q19. Newborn with anencephaly delivered vaginally in hospital.
(A) Z38.00, Q00.0
(B) Z38.00, Q28.5
(C) Q00.0 , Z38.00
(D) Q51.820
Q20. Amanda returns to Dr. Adam’s office with her parents to discuss her upcoming surgery to repair her left sided cleft lip.
(A) Q43.0
(B) Q36.9
(C) Q45.2
(D) Q99.9
Q21. Rohan present to Dr. Smith’s office complaining of fatigue he has non- masaicism down syndrome.
(A) R53.83
(B) Q00.0, R53.83
(C) R53.83, Q90.9
(D) Q90.9
Answers
1 – D, 2– B , 3- B, 4-D, 5 – B, 6-C, 7- C, 8-B, 9-A, 10 -B, 11-B,
12-C , 13 – B , 14 – A , 15 – D, 16 – B, 17 -A , 18 – C, 19 – A, 20 – B, 21- C
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