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Terms in this set (786)
Alphabetic Index of the ICD-10-CM referenced first to identify the diagnostic term or
condition to be coded
provide the first few characters for the code to
then use to locate the appropriate section within
the Tabular List to complete the code.
Tabular List provide additional information needed to code the
condition correctly such as Excludes 1 notes (not
coded here), Excludes 2 notes (not included here),
Code First, Code Also, and so forth
Excludes 1 notes not coded here
Excludes 2 notes (not included here)
Coding clinics published quarterly by the American Hospital
Association (AHA). These provide clarification and
advice on how to implement and interpret the
Official Guidelines for Coding and Reporting. Any
person can submit a question to the AHA for
assistance. All questions will receive a response
and those deemed most beneficial to the industry
will be published.
,CPT® codebook copyrighted and published by the American
Medical Association (AMA)
encoder nosology platform for the CDI professional to seek guidance
and ask specific questions regarding the correct
coding and sequencing for various scenarios
Principal diagnosis: "that condition established after study to be chiefly
responsible for occasioning the admission of the
patient to the hospital for care"
Secondary (Other) diagnosis "all conditions that coexist at the time of admission,
that develop subsequently, or that affect the
treatment received and/or the length of stay" (p.
107). In other words, to meet this definition, the
condition must have received one or more of the
following:
Clinical evaluation; or
Therapeutic treatment; or
Diagnostic procedures; or
Extended length of hospital stay; or
Increased nursing care and/or monitoring.
approved by the four organizations American Hospital Association (AHA), the
that make up the Cooperating Parties American Health Information Management
for the ICD-10-CM Association (AHIMA), CMS, and NCHS.
The Alphabetic Index consists of the the Index of Diseases and Injury, the Index of
following parts External Causes of Injury, the Table of Neoplasms
and the Table of Drugs and Chemicals.
The ICD-10-CM Tabular List contains categories, subcategories and codes
, "X" used as a placeholder at certain codes to allow for
future expansion.
NEC "Not elsewhere classifiable" This abbreviation in the
Alphabetic Index represents "other specified."
When a specific code is not available for a
condition, the Alphabetic Index directs the coder
to the "other specified" code in the Tabular List.
NOS "Not otherwise specified" This abbreviation is the
equivalent of unspecified.
NEC Not elsewhere classifiable" This abbreviation in the
Tabular List represents "other specified". When a
specific code is not available for a condition, the
Tabular List includes an NEC entry under a code to
identify the code as the "other specified" code.
[] Brackets are used in the Tabular List to enclose
synonyms, alternative wording or explanatory
phrases. Brackets are used in the Alphabetic Index
to identify manifestation codes.
() Parentheses are used in both the Alphabetic Index
and Tabular List to enclose supplementary words
that may be present or absent in the statement of a
disease or procedure without affecting the code
number to which it is assigned. The terms within the
parentheses are referred to as nonessential
modifiers.
Answers | Verified | Latest Update 2026
Save
Terms in this set (786)
Alphabetic Index of the ICD-10-CM referenced first to identify the diagnostic term or
condition to be coded
provide the first few characters for the code to
then use to locate the appropriate section within
the Tabular List to complete the code.
Tabular List provide additional information needed to code the
condition correctly such as Excludes 1 notes (not
coded here), Excludes 2 notes (not included here),
Code First, Code Also, and so forth
Excludes 1 notes not coded here
Excludes 2 notes (not included here)
Coding clinics published quarterly by the American Hospital
Association (AHA). These provide clarification and
advice on how to implement and interpret the
Official Guidelines for Coding and Reporting. Any
person can submit a question to the AHA for
assistance. All questions will receive a response
and those deemed most beneficial to the industry
will be published.
,CPT® codebook copyrighted and published by the American
Medical Association (AMA)
encoder nosology platform for the CDI professional to seek guidance
and ask specific questions regarding the correct
coding and sequencing for various scenarios
Principal diagnosis: "that condition established after study to be chiefly
responsible for occasioning the admission of the
patient to the hospital for care"
Secondary (Other) diagnosis "all conditions that coexist at the time of admission,
that develop subsequently, or that affect the
treatment received and/or the length of stay" (p.
107). In other words, to meet this definition, the
condition must have received one or more of the
following:
Clinical evaluation; or
Therapeutic treatment; or
Diagnostic procedures; or
Extended length of hospital stay; or
Increased nursing care and/or monitoring.
approved by the four organizations American Hospital Association (AHA), the
that make up the Cooperating Parties American Health Information Management
for the ICD-10-CM Association (AHIMA), CMS, and NCHS.
The Alphabetic Index consists of the the Index of Diseases and Injury, the Index of
following parts External Causes of Injury, the Table of Neoplasms
and the Table of Drugs and Chemicals.
The ICD-10-CM Tabular List contains categories, subcategories and codes
, "X" used as a placeholder at certain codes to allow for
future expansion.
NEC "Not elsewhere classifiable" This abbreviation in the
Alphabetic Index represents "other specified."
When a specific code is not available for a
condition, the Alphabetic Index directs the coder
to the "other specified" code in the Tabular List.
NOS "Not otherwise specified" This abbreviation is the
equivalent of unspecified.
NEC Not elsewhere classifiable" This abbreviation in the
Tabular List represents "other specified". When a
specific code is not available for a condition, the
Tabular List includes an NEC entry under a code to
identify the code as the "other specified" code.
[] Brackets are used in the Tabular List to enclose
synonyms, alternative wording or explanatory
phrases. Brackets are used in the Alphabetic Index
to identify manifestation codes.
() Parentheses are used in both the Alphabetic Index
and Tabular List to enclose supplementary words
that may be present or absent in the statement of a
disease or procedure without affecting the code
number to which it is assigned. The terms within the
parentheses are referred to as nonessential
modifiers.
