D254 Medical coding study guide 2025
Graded A+
D254 Medical coding study guide
Graded A+
ICD-9-CM -
✅International Classification of Diseases, Ninth Revision, Clinical Modification
Main terms -
✅represents diseases, injuries, problems, complaints, drugs, and external causes
of diseases or conditions
Subterms -
✅words that are identified under main term
Sub-subterms -
✅indented 3 character spaces from the term above it
V-codes -
✅reports circumstances other than disease or injury
Tabular List (3) divisions -
✅diagnoses codes, supplementary classification, appendixes
E- codes -
✅Supplementary Classification of External Causes of Injury and Poisoning. These
codes classify the causes of injury, poisoning, and adverse events and are used to
gather statistics relating to these occurences.
ICD-9-CM codes range -
✅3 to 5 digits
Tabular List Format -
✅Chapter, Section, Category, Subcategory, Subclassification,
Alphabetic Index is -
✅Vol. 2, contains medical terms and is used first
Tabular List is -
✅Vol. 1
Alphabetic Index lists words describing -
✅pneumonia, bronchitis, infection, and fracture
External causes of diseases -
