CHAPTER 6 ICD 10 CM MEDICAL
CODING QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
Health Information Management (HIM) - ANSWER A department in a healthcare facility that maintains
patients' medical records
International Classification of Diseases - ANSWER Provided by the Centers for Medicare and Medicaid
Services (CMS) and the National Center for Health Statistics (NCHS) for medical coding and reporting in
the United States, the ICD-10-CM is based on the ICD-10, the statistical classification of diseases
published by the World Health Organization (WHO). ICD-10 replaces ICD-9.
Coordination and Maintenance (C&M) Committee - ANSWER A committee that reviews proposals
regarding diagnostic codes and determines if a code is modified, added, or deleted. Suggestions for
modifications come from both the public and private sectors.
Crosswalk - ANSWER A reference aid that compares information in one system to information in another
system. A crosswalk between the ICD-9 and ICD-10 will allow a coder to look up an ICD-9 code and see
what the corresponding code is in the new ICD-10 system.
Mapping - ANSWER Reflects the complexity of the code sets rather than oversimplifying. It demonstrates
the hierarchical relationships, taking into consideration the 68,000 diagnostic codes in ICD-10, compared
to 13,000 in ICD-9
General Equivalence Mappings file s (GEM) - ANSWER Tool to assist with the conversion of International
Classification of Diseases, 9th Edition, Clinical Modification (ICD-9-CM) codes to International
Classification of Diseases, 10th Edition (ICD-10-CM), and the conversion of ICD-10-CM codes back to ICD-
9-CM.
ICD-10 Procedure Coding System (ICD-10-PCS): - ANSWER A system of medical classification used for
procedural codes that track various health interventions taken by medical professionals. It is referred to
as Volume 3 in a coding manual. It is for hospital inpatient use only.
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