Chapter 6 A ICD-9-CM Coding – Flashcards
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ICD-9-CM
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International Classification of Diseases, 9th Revision, Clinical Modification - coding system used to report diagnoses and reasons for encounters, such as an annual physical examination, on outpatient and physician office claims. is updated once a year and updates are effective on October 1st.
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Advance Beneficiary Notice (ABN)
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is a form that the patient signs to acknowledge they are responsible for paying the bill if Medicare denies the claim.
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Adverse Effect
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also called adverse reaction; the appearance of a pathologic condition due to ingestion or exposure to a chemical substance properly administered or taken.
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Adverse Reaction
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see adverse effect
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Axis of Classification
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organizes entities, diseases, and other conditions according to etiology, anatomy, or severity (as in ICD-10-CM).
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Benign
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Not cancerous
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Carcinoma (Ca) in situ
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a malignant tumor that is localized, circumscribe, encapsulated, and noninvasive (has not spread to deeper or adjacent tissues or organs).
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Coding Conventions
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Rules that apply to the assignment of ICD-9-CM codes.
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Comorbidity
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secondary diagnosis or concurrent condition that coexists with the primary condition, has the potential to affect treatment of the primary condition, and is an active condition for which the patient is treated or monitored.
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Complication
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condition that develops subsequent to inpatient admission.
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Congenital Anomaly
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disorder diagnosed in infants at birth.
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E code
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are Supplementary Classification of External Causes of Injury and Poisoning; are use for environmental events, industrial accidents, or injuries inflicted by criminal activity.
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Encoder
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automates the coding process using computerized or Web-based software; instead of manually looking up conditions (or procedures) in the coding manual's index, the coder uses the software's search feature locate and verify diagnosis and procedure codes.
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Eponym
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are disease (or procedures) named for an individual (e.g., physician who originally discovered the disease, first patient diagnosed with the disease).
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First-Listed Diagnosis
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reported on outpatient claims (instead of inpatient principal diagnosis); it is determined in accordance with ICD-9-CM's coding conventions (or rules) as well as general and disease-specific coding guidelines.
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Late Effect
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is a residual effect or sequela of a previous acute illness, injury, or surgery.
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Malignant
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Cancerous
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Main Term
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(conditions) are printed in boldface type and are followed by the code number. they may or may not be followed by a listing of parentheical terms that serve as nonessential modifiers on the main term.
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Neoplasms
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are new growths, or tumors, in which cell reprodcution is out of control. should always be coded directly from a pathology report.
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Not Elsewhere Classifiable (NEC)
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identifies codes to be used when information needed to assign a more specific code cannot be located in the ICD-9-CM.
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Nonessential Modifier
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are supplementary words located in parentheses after a main term.
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Outpatient
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is a person treated in one of four settings: Ambulatory Surgery Center; lthcare provider's office; Hospital Clinic, Emergency department, outpatient department, same-day surgery unit; Hospital observation
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Principal Diagnosis
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as "the condition determined after study which resulted in the patient's admission to the hospital." the principal diagnosis code is reported in Form Locator 67 of the UB-04 (CMS-1450) claim.
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Principal Procedure
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is a procedure performed for definitive treatment rather than diagnostic purposes; one performed to treat a complication; or one that is most closely related to the principal diagnosis.
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Qualified Diagnosis
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is a working diagnosis that is not yet proven or established.
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Qualifiers
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are supplementary terms that further modify subterms and other qualifiers.
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Secondary Diagnosis
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include comorbidities and complications
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Secondary Procedure
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are additional procedures performed during the same encounter as the principal procedure.
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Subterms
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or essential modifiers; qualify the main term by listing alternate sites, etiology, or clincial status.
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Tabular List of Diseases (ICD-9-CM)
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are organized according to three-digit category codes for ICD-9-CM codes for Chapters 1-17 (codes 001-999.9)
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V Codes
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are located in the Tabular List of Diseases and are assigned for patient encounters when a circumstance other than a disease or injury is present.
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Volume 1
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Tabular List of Diseases (finish coding here)
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Volume 2
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Alphabetic Index to Diseases (start coding here)
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Volume 3
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Hospital Coding
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How many appendix are there?
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five appendies in the ICD-9-CM manual.
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Appendix D
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contains the Classification of Industrial Accidents According to Agency.
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Diagnosis Codes ranges from what?
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3-5 digits: First three digits refer to category; fourth digit refers to subcategory; fifth digit refers to subclassification
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What is indexing?
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is the process of cataloging diseases and procedures by code number.
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How many chapter of diseases and descriptions are there?
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17 chapters
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What does medical necessity require?
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requires diagnosis codes to be reported on submitted claims.
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Medical Necessity
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is to be sure to be clarify by the insurance companies (other than Medicare), because the definition can vary.
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What is an injury?
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is a traumatic wound or some other damage to an organ. ICD-9-CM, injuries are initially classified in the Injury and Poisoning chapter by type (e.g., all open wounds are classified in the same chapter).
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What is Medical Necessity?
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is the measure of whether a healthcare procedure or service is appropriate for the diagnosis and/or treatment of a condition.
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What does the MMA require?
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requires new, revised, and deleted ICD-9-CM codes to be implemented each October 1 and updated each April.
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Is cost-effective necessarily?
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no, it is not necessarily mean least expensive.
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What name did the CMS shorten?
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they shorten the name of the classification systems to International Classification of Diseases, 10th Revision, Clinical Modification/Procedure Coding System, abbrevating it as ICD-10-CM/PCS.
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What is being reviewing in the guidelines?
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Remember that the terms encounter and visit are used interchangeably in describting outpatient and physician office services.
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What is the outpatient first-listed diagnosis?
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was previously called the primary diagnosis.
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ICD-9-CM Classification of Drugs by AHFS list
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Appendix C of ICD-9-CM that contains the American Hospital Formulary services list number and its ID-equivalent code number; organized in numerical order according to AHFS list number
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ICD-9-CM Classification of Industrial Accidents According to Agency
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Appendix D of ICD-9-CM based on employment injury statistics adopted by the Tenth International Conference of Labor Statisticians
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computer- assisted coding (CAC)
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uses a natural language processing engine to "read) patient records and generate ICD-9-CM and HCPCS/CPT codes
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contiguous site
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also called overlapping site occurs when the origin of the tumor (primary site) involves two adjacent sites
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iatrogenic illness
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a disorder or symptom that occurs as a result of a medical or psychotherapeutic treatment
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ICD-9-CM coordination and Maintenance Committee
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Responsible for overseeing all changes and modifications to ICD-9-CM diagnosis (NCHS) and procedure (CMS) codes.
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ICD-9-CM Diagnostic Coding and Reporting Guidelines for Outpatient Services; Hospital-Based Outpatient Services and Provider-Based Office Visits
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Developed by the federal government for use in reporting diagnoses for claims submission.
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ICD-9-CM E code
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located in the supplementary classification of the ICD-9 tabular list of diseases they describe external causes of injury poisoning or other adverse reactions affecting a pt. health
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ICD-9-CM Index to Diseases (volume 2)
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is an alphabetical listing of main terms or conditions printed in boldfaced type that may be expressed as nouns, adjectives, or eponymous. The index contains three sections:injuries and diseases, drugs, external causes
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code in slanted brackets
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always reported as secondary codes because they are manifestations (results) of other conditions
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essential modifier
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subterms that are indented below the main term in alphabetical order except with or without clarifies the main term and must be contained in the diagnostic statement for the code to be assigned
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note
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contained in boxes to define terms clarify index entries, and list choices for additional digits
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qualifier
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supplementary term that further modifies sub terms and other qualifiers
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see-
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directs the coder to a more specific term under which the code can be found
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see also
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refers the coder to an index entry that may provide additional information to assign the code
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see also condition
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directs the coder to the condition in the index
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see category
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directs the coder to a specific three-digit category code in the Tabular List of Diseases for code assignment
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sub term
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essential modifiers that qualify the main term by listing alternate sites, etilogy, or clinical status
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ICD-9-CM Index to Procedures and Tabular List of Procedures (Volume 3)
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included only in the hospital version of the commercial ICD-9-CM; is a combined alphabetical index and numerical listing of inpatient procedures.
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code also any synchronous procedures
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refers to operative procedures that are to be coded completely classify a procedure
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omit code
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term that identified procedures or services that may be components of other procedures this instruction means that the procedure or service is not coded
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ICD-9-CM tabular list of diseases (volume 1)
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Contains 17 chapters that classify diseases and injuries, two supplemental classification and four appendices
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and
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when two disorders are separated by the word and it is interpreted as and/or and indicates that either of the two disorders is associated with the code number
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bold type
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all category and subcategory codes and descriptions are printed in bold face
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brackets
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Enclose synonyms, atltrenative wording, or explanatory phrases and are found in the Tabular List.
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braces
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encloses a series of terms, each of which modifies the statement located to the right of the brace
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category
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printed in bold upper and lowercase type and are preceded by three-digit code
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Code first underlying disease
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used in categories not intended for primary tabulation of disease these coodes are also written in italics with a note the note requires that the underlying disease or cause be recorded frist and the particular manifestation be recorded second ( this note will appear only in the Tabular List
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colon
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used after an incomplete term and is followed by one or more modifiers
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excludes
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directs the coder to another location in the code book for proper assignment of the code
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format
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all subterms are indented below the term to which they are linked
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fourth and fifth digits
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create ICD-9-CM subcategory and sub classification codes respectively
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includes
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appear below a three digit category code description to further define,clarify, or provide an example
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major topic heading
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printed in bold uppercase letters and followed by a range of codes enclosed in parenthesis
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not otherwise specified
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(NOS) not otherwise specified A designation used in the ICD-9 CM coding manual that indicates there is lack of sufficient details in the medical record to assign a more specific code.
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parentheses
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enclose supplementary words that may be present or absent in the diagnostic statement without affecting assignment of the code number
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subcategory
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indented and printed in the same fashion as major category headings
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sub classification
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requires the assignment of a fifth digit
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use additional code
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Indicates that another code may be needed to complete the condition.
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with
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when codes combine one disorder with another the provider's diagnostic statement must clearly indicate that both conditions are present and that a relationship exists between the conditions
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ICD-9-CM V code
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Located in a supplementary classification of the ICD-9-CM Tabular List of Diseases, they are assigned for patient cencounters when a circumstance other than a disease or injury is present.
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injury
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A traumatic wound or damage to an organ
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lesion
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Tissue destruction. A brain lesion is a naturally or experimentally caused destruction of brain tissue.
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metastasize
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the process by which cancer spreads from one place to another
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metastatic
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Cancer that becomes progressively worse and spread to other ares of the body.
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morbidity
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Illness
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morphology
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indicates the tissue type of a neoplasm morphology codes are reported to state cancer registries
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morphology of neoplasms
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Located in Appendix A of ICD-9-CM, contains a reference to the World Health Organization publication entiled International Classification of Diseases for Oncology (ICD-O)
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mortality
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Death rate
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neoplasm
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New growth
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overlapping site
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see contiguous site
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perinatal period
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first 28 days of life
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perinatal condition
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A condition occurring in the baby in the period shortly before or after birth (usually up to 28 days after birth)
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poisoning
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Inhaled, ingested, injected, chemical or natural. overdose
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preadmission testing
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test that are performed before being admitted in hospital for surgery or procedures
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primary malignancy
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original cancer site
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re-excision
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Occurs when the pathology report recommends that the surgeon perform a second excision to widen the margins of the orginal tumor site.
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secondary malignancy
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cancer that has metastasized (spread) to a secondary site either adjacent or remote region of the body
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sequelae
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Late effects of injury or illness
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uncertain behavior
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uncertain whether benign or malignant, borderline malignancy
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unspecified nature
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a neoplasm is identified; however, no nature of the tumor is documented in the diagnosis or medical record