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INTERNATIONAL CLASSIFICATION OF DISEASES
Table of Drugs and Chemicals
INDEX TO POISONING AND EXTERNAL CAUSES OF ADVERSE
EFFECTS OF DRUGS AND OTHER CHEMICAL SUBSTANCES
This table contains a classification of drugs and other
chemical substances to identify poisoning states and external causes of adverse
Each of the listed substances in the table is assigned a
code according to the poisoning classification (960-989).� These codes are used when there is a
statement of poisoning, overdose, wrong substance given or taken, or
The table also contains a listing of external causes of
adverse effects.� An adverse effect is a
pathologic manifestation due to ingestion or exposure to drugs or other
chemical substances (e.g., dermatitis, hypersensitivity reaction, aspirin
gastritis).� The adverse effect is to be
identified by the appropriate code found in Section 1, Index to Diseases and
Injuries.� An external cause code can
then be used to identify the circumstances involved.� The table headings pertaining to external causes are defined
��� Accidental poisoning (E850-E869)�accidental
overdose of drug, wrong substance given or taken, drug taken inadvertently,
accidents in the usage of drugs and biologicals in medical and surgical
procedures, and to show external causes of poisonings classifiable to 980-989.
��� Therapeutic use (E930-E949)�a
correct substance properly administered in therapeutic or prophylactic dosage
as the external cause of adverse effects.
��� Suicide attempt (E950-E952)�instances
in which self-inflicted injuries or poisonings are involved.
��� Assault (E961-E962)�injury or
poisoning inflicted by another person with the intent to injure or kill.
��� Undetermined (E980-E982)�to be used
when the intent of the poisoning or injury cannot be determined whether it was
intentional or accidental.
The American Hospital Formulary Service (AHFS) list numbers
are included in the table to help classify new drugs not identified in the
table by name.� The AHFS list numbers
are keyed to the continually revised AHFS (American Hospital Formulary Service,
2 vol. Washington, D.C.: American Society of Hospital Pharmacists, 1959-).� These listings are found in the table under
the main term Drug.
Excluded from the table are radium and other radioactive
substances.� The classification of
adverse effects and complications pertaining to these substances will be found
in Index to Diseases and Injuries, and Index to External Causes of Injuries.
Although certain substances are indexed with one or more
subentries, the majority are listed according to one use or state.� It is recognized that many substances may be
used in various ways, in medicine and in industry, and may cause adverse
effects whatever the state of the agent (solid, liquid, or fumes arising from a
liquid).� In cases in which the reported
data indicate a use or state not in the table, or which is clearly different
from the one listed, an attempt should be made to classify the substance in the
form which most nearly expresses the reported facts.
TABLE OF CONTENTS
The ICD-9-CM Coordination and Maintenance Committee
Characteristics of the ICD-9-CM
The Disease Classification
Alphabetical Index of Diseases
Table of Drugs and Chemicals
Index To External Causes of Injury (E Code)
Classification of Procedures
Index to Procedures
Morphology of Neoplasms
Classification of Drugs by American Hospital Formulary Services List Number and their ICD-9-CM Equivalents
Classification of Industrial Accidents According to Agency
List of Three-Digit Categories