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ICD-10-CM & ICD-10-PCS CH 1-7 Questions & Answers

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ICD-10-CM & ICD-10-PCS CH 1-7 Questions & Answers International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) and International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) were developed as a replacement for ICD-9-CM. ICD...

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  • November 24, 2024
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ICD-10-CM & ICD-10-PCS CH 1-7
Questions & Answers
International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-
CM) and International Classification of Diseases, Tenth Revision, Procedure Coding
System (ICD-10-PCS) - answer were developed as a replacement for ICD-9-CM.

ICD-10-CM consists of diagnosis codes: - answer Clinical modification of the World
Health Organization's (WHO) ICD-10.

ICD-10-PCS consists of procedure codes: - answer Classification of operations and
procedures developed for use in the United States; not a part of the WHO classification.

A classification system is - answer an arrangement of elements into groups
according to established criteria

In ICD-10-CM and ICD-10-PCS, - answer these elements are diseases, injuries,
surgeries, and procedures, which are grouped into appropriate chapters and sections.

Three-character categories are used in - answer ICD-10-CM

seven-character codes are used in - answer ICD-10-PCS.

These groups are the common basis of classification for - answer general medical
statistical use.

ICD-10-CM and ICD-10-PCS are closed classification systems - answer they provide
one and only one place to classify each condition or procedure

Certain conditions that occur infrequently or are of low importance are often grouped -
answer together in residual codes labeled "other" or "not elsewhere classified."

A final residual category is - answer provided for diagnoses not stated specifically
enough to permit more precise classification.

Occasionally, the two residual groups are combined in - answer one code.

The basic principles behind the classification system in order to use ICD-10-CM and
ICD-10-PCS - answer appropriately and effectively.

This knowledge is also the basis for understanding and applying the official coding
advice provided through the - answer AHA Coding Clinic®, published by the Central
Office of the American Hospital Association.

,Official Guidelines for - answer Coding and Reporting
AHA Coding Clinic

Developed through the editorial board for the Coding Clinic and approved by the four
Cooperating Parties: - answer American Hospital Association,
American Health Information Management Association,
Centers for Medicare & Medicaid Services (CMS), and
Centers for Disease Control and Prevention's (CDC) National Center for Health
Statistics (NCHS).

Effective with the Fourth Quarter 2012 issue, ICD-10 coding advice was published in
Coding Clinic for ICD-9-CM. - answer Coding Clinic for ICD-10-CM and ICD-10-PCS
launched in 2014.

ICD-10 was released by - answer the World Health Organization (WHO) in 1993.

WHO authorized development of - answer an adaptation of ICD-10 for use in the
United States.

All modifications to ICD-10 need to conform to - answer the WHO conventions for
ICD.

ICD-10 contains - answer only diagnosis codes.

Each country needs to develop - answer its own procedure coding system.

The clinical modification of the WHO diagnosis coding system is - answer ICD-10-
CM.

Developed under the leadership of the Centers for Disease Control and Prevention's
National Center for Health Statistics (NCHS) - answer a federal agency under the
Centers for Disease Control and Prevention

ICD-10-CM is - answer in the public domain.

However, neither the codes nor the code titles may be changed except through -
answer the Coordination and Maintenance process overseen jointly by NCHS and
the Centers for Medicare & Medicaid Services (CMS).

ICD-10-CM consists of - answer 21 chapters with more than 71,000 codes.

The classification of external causes of injury and poisoning and the classification of
factors influencing health status and contact with health services - answer are
incorporated within ICD-10-CM.

,The new, unique procedure classification system created for hospital reporting of
inpatient procedures - answer is ICD-10-PCS.

ICD-10-PCS was developed by - answer 3M Health Information Systems under
contract to the Centers for Medicare & Medicaid Services (CMS).

1992—U.S. Health Care Financing Administration (HCFA, now the Centers for
Medicare & Medicaid Services, or CMS) - answer funded a preliminary design
project to replace volume 3 of the ICD-9-CM.

1995—HCFA awarded a three-year contract to 3M Health Information Systems (HIS) to
- answer develop a procedure coding replacement system.

The new system was called - answer ICD-10 Procedure Classification System (ICD-
10-PCS).

First year: - answer Completion of the first draft.

Second year: - answer External review and limited informal testing.

Third year: - answer Formal independent review and testing.
ICD-10-PCS was completed in 1998 and has been updated annually by 3M HIS since
then.

The goal of the revisions is - answer is to keep current with medical technology and
coding needs.

Completeness: - answer Each substantially different procedure should have a unique
code.

Expandability: - answer Allow for easy incorporation of unique codes as new
procedures are developed.

Multi-axial: - answer Each code character has the same meaning within a specific
procedure section and across procedure sections, whenever possible

Standardized methodology: - answer Unique definitions for the terms used, with
each term having a specific meaning.

Diagnostic information is - answer not included in the procedure description.

Explicit "not otherwise specified" (NOS) options are - answer not provided.

"Not elsewhere classified" (NEC) options are - answer provided on a limited basis.

, All possible procedures are defined, - answer regardless of the frequency of
occurrence.

If a procedure could be performed - answer a code was created.

Seventeen sections in ICD-10-PCS represent - answer nearly 80,000 codes.

ICD-10-PCS uses a table structure - answer that permits the specification of a large
number of codes on a single page in the tabular division.

ICD-9-CM was in use in - answer the United States since 1979

Many improvements in medical practice and technology have taken place since -
answer ICD-9-CM was first implemented

ICD-9-CM was limited in its ability to expand enumeration because - answer of
physical numbering constraints.

Some ICD-9-CM categories had - answer vague and imprecise codes.

Lack of specificity creates problems, such as: - answer inability to collect accurate
data on new technology.
Increased requirements for submission of documentation to support claims.
Lack of quality data to support health outcomes.
Less accurate reimbursement.

Many of the ICD-9-CM categories had become full, making it difficult to create new
codes. - answer Once a category was full, several types of similar diagnoses or
procedures were combined under one code, or a place was found in another section of
the classification for a new code.

Due to a lack of space in the classification - answer several distinct procedures
performed in different parts of the body with widely different resource utilization were
allowed to be grouped together under the same procedure code.

The structural integrity of the ICD-9-CM procedure classification was compromised -
answer because new code numbers were assigned to "chapter 00" and "chapter 17"
when new numbers were not available within the appropriate body system chapter.

Many other countries had already converted to ICD-10 - answer making it difficult to
compare U.S. health data with international data

As of 2016, 138 countries had implemented ICD-10 for - answer mortality reporting,
and more than 100 countries had implemented it for morbidity reporting.

Each country has developed its own - answer procedure coding system.

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