ICD-10-CM Chapter 5: Mental, Behavioral & Neurodevelopmental Disorders (F01–F99) – Questions and Answers for Medical Coding
Welcome To Medico Pediaa – Mental, Behavioral, and Neurodevelopmental Disorders are among the most complex and frequently tested topics in ICD-10-CM medical coding. Covered under Chapter 5 (F01–F99), this section includes a wide range of conditions such as depression, anxiety disorders, schizophrenia, bipolar disorder, substance-related disorders, autism spectrum disorders, ADHD, and other cognitive and behavioral conditions, ICD-10-CM Chapter 5 Questions and Answers for Medical Coding
For medical coding students, CPC exam aspirants, and healthcare professionals in the USA and India, a strong understanding of ICD-10-CM guidelines for mental health conditions is essential for accurate diagnosis coding, proper reimbursement, and compliance with payer rules. Even small coding errors in this chapter can lead to claim denials or audits, especially in U.S. healthcare systems.
This article provides well-structured ICD-10-CM Chapter 5 (F01–F99) questions and answers, designed to improve concept clarity, exam preparation, and real-world coding accuracy. Whether you are preparing for the AAPC CPC exam, working as a medical coder, or learning ICD-10-CM from scratch, these practice questions will help you master mental and behavioral disorder coding with confidence.ICD-10-CM Chapter 5 Questions and Answers for Medical Coding
Let’s Start –
Q1. ICD stands for:
(A) International Criteria for Diseases
(B) International Classification of Disorders
(C) International Classification of Diseases
(D) International Code for Diagnosis
Q2. Schizophrenia in ICD-10 is coded within which code range?
(A) F30-F39 (Mood disorders)
(B) F20-F29 (Schizophrenia, schizotypal and delusional disorders)
(C) F40-F48 (Neurotic, stress-related and somatoform disorders)
(D) F10-F19 (Mental and behavioural disorders due to psychoactive substance use)
Q3. A patient presents with vascular dementia with a behavioral disturbance. The correct ICD-10-CM code would be:
(A) F01.50
(B) F01.51
(C) F02.80
(D) F02.81
Q4. A 30-year-old male is diagnosed with hypersomnia. The correct ICD-10-CM code would be:
(A) F51.11
(B) G47.12
(C) G47.10
(D) F51.19
Q5. In ICD-10-CM, “F99” code is used for:
(A) Anxiety disorder, unspecified
(B) Depression, unspecified
(C) Schizophrenia, unspecified
(D) Mental disorder, not otherwise specified
Q6. Following numerous tests, the patient was diagnosed with conversion disorder with seizures:
(A) F44.4
(B) F44.5
(C F44.6
(D) F44.7
Q7. Patient has an obsessive-compulsive personality disorder :
(A) F60.5
(B) F60.89
(C) F69
(D) F07.89
Q8. Alcoholic gastritis with alcohol abuse:
(A) K29.20
(B) K29.20, F10.10
(C) K29.21, Z72.89
(D) F10.14, K29.21
Q9. Patient takes medication for ADHD, combined type:
(A) F90.0
(B) F90.1
(C) F90.2
(D) F90.8
Q10. Patient is receiving behavioral therapy for treatment of chronic pain syndrome with associated psychological factors:
(A) G89.21, F45.41
(B) G89.29, F54
(C) G89.4, F45.42
(D) G89.29, F59
ICD-10-CM Chapter 5 Questions and Answers for Medical Coding
Q11. Encounter for mental health services for victim of non-parental child abuse:
(A) Z69.010
(B) Z69.011
(C) Z69.11
(D) Z69.020
Q12. Patient is 70 years old and has dementia with delirium:
(A) F19.121, F01.50
(B) F02.8, F19.231
(C) F03.91, F07
(D) F03.90, F05
Q13. Patient is treated for impotence due to psychogenic cause:
(A) N52.9
(B) F52.21
(C) F52.12
(D) Q75.8
Q14. Seizure due to alcohol withdrawal. Patient is an alcoholic who usually drinks every day but hasn’t had a drink in 2 days:
(A) F10.230, R56.9
(B) G40.89, F10.14
(C) F10.220, G40.909
(D) T51.8X1A, G40.109
Q15. The patient is a former smoker:
(A) Z72.0
(B) F17.200
(C) F17.210
(D) Z87.891
Q16. Which code should be assigned for pain that is exclusively related to psychological disorders?
(A) G89.0
(B) G89.3
(C) F45.41
(D) F45.42
Q17. When should a code from category G89 not be assigned with F45.41?
(A) When the pain is chronic
(B) When the pain is acute
(C) When the pain is postprocedural
(D) Always
Q18. How should mild substance use disorders in early or sustained remission be classified?
(A) Substance dependence in remission
(B) Substance abuse in remission
(C) Substance use disorder
(D) Substance dependence
Q19. When both use and abuse of a substance are documented, which code should be assigned?
(A) Code for use
(B) Code for abuse
(C) Code for dependence
(D) Code for both use and abuse
Q20. Which of the following is true when coding psychoactive substance use, abuse, and dependence?
(A) Assign codes for both use and abuse if documented
(B) Assign codes for both abuse and dependence if documented
(C) Only assign the code for the highest level of severity
(D) Assign codes for all documented patterns of use, abuse, and dependence
Answer
1 – C, 2– B , 3- B, 4-D, 5 – D, 6- B, 7- A, 8-B, 9-C, 10 -C,
11-D, 12-D , 13 – B , 14 – A , 15 – D, 16 – C, 17 – D , 18 – B, 19 – B, 20 – C,
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