ICD Flashcards
7 cards from real ICD 10 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ICD flashcards as text
Which ICD-10-CM chapter is identified by codes beginning with the letter 'I'?
Answer: Diseases of the circulatory system
Codes I00–I99 cover diseases of the circulatory system, including hypertension and heart disease.
Codes in the range C00–C96 in ICD-10-CM represent what type of condition?
Answer: Malignant neoplasms
The C codes are used for malignant neoplasms, which are cancers.
Which letters begin the ICD-10-CM chapter for certain infectious and parasitic diseases?
Answer: A and B
Chapter 1 codes A00–B99 cover infectious and parasitic diseases.
The 'Z' codes in ICD-10-CM are used primarily for what?
Answer: Factors influencing health status and contact with health services
Z codes describe encounters for reasons other than disease, such as screenings, exams, and health status factors.
External cause of morbidity codes in ICD-10-CM begin with which letters?
Answer: V, W, X, and Y
Chapter 20 external cause codes (V00–Y99) describe how an injury or condition occurred.
Codes beginning with 'O' in ICD-10-CM are dedicated to which patient population?
Answer: Pregnancy, childbirth, and the puerperium
Chapter 15 (O00–O9A) covers conditions related to pregnancy, childbirth, and the postpartum period.
Which ICD-10-CM chapter, beginning with the letter 'F', covers mental, behavioral, and neurodevelopmental disorders?
Answer: Chapter 5
Chapter 5 codes F01–F99 classify mental, behavioral, and neurodevelopmental disorders.
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Sources & references
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- cms.gov — Test delivery, exam format, passing score, retake policy, time limit · verified Sep 2026