AMA CPT® Assistant - 2008 Issue 5 (May)
Chromosome Analysis (May 2008)
May 2008 pages 5-8 Coding Clarification:Chromosome Analysis The Pathology and Laboratory section of the CPT codebook includes the Cytogenetic subsection pertaining to chromosome analysis. The October 1999 and July 2005 editions of CPT Assistant addressed the specific use of these codes, and the CPT Education and Information Services CPT Network continues to receive specific questions pertaining to the use of these codes (see Commonly Asked Questions in this article). Although the descriptors of codes 88245-88291 include terms well known to the cytogeneticists, pathologists, and most others ordering or performing these studies, a review of the descriptor terms (ie, chromosome...
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Article Overview
This article explains the cytogenetics context behind chromosome analysis services and discusses how CPT coding concepts relate to laboratory methods, specimen types, banding, karyotyping, mosaicism, breakage syndromes, and interpretation/reporting. It is aimed at laboratory coders, pathologists, cytogeneticists, and other professionals who need a better understanding of chromosome-analysis-related CPT guidance and common question-and-answer scenarios.
Why This Topic Matters
Chromosome analysis services involve multiple laboratory techniques and reporting components, so accurate understanding of the article helps readers identify the relevant CPT framework and distinguish among the major types of cytogenetic work discussed in the guidance.
Article Sections
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Coding Clarification: Chromosome Analysis
Introduces the CPT cytogenetic chromosome analysis topic and frames the coding clarification discussed in the article.
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Definition
Provides a broad overview of cytogenetics and its clinical role in evaluating chromosomal abnormalities.
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History
Summarizes the development of cytogenetics and major laboratory advances over time.
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What Does One See Under the Microscope?
Describes chromosomes, cellular structure, and the general clinical uses of chromosome evaluation across different specimen sources.
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Detection Methods
Explains how chromosomes are observed and introduces the general concepts used in analysis.
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Karyotype
Covers the general idea of karyotyping and its role in clinical cytogenetics.
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Banding
Discusses chromosome banding methods and related laboratory analysis approaches.
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Chromosomal Breakage Syndromes
Reviews breakage-syndrome testing and related chromosomal instability concepts.
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Commonly Asked Questions
Presents coding-focused question-and-answer scenarios about chromosome analysis reporting in different settings.
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Glossary of Terms
Defines terminology commonly used in cytogenetics and chromosome analysis.
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References
Lists source references supporting the article content.
What You Will Learn
- How chromosome analysis fits within the CPT pathology and laboratory cytogenetics section
- What clinical cytogenetics is used to evaluate in broad terms
- Which general specimen types and laboratory methods are associated with chromosome studies
- How banding, karyotyping, mosaicism, and breakage-syndrome testing are discussed in cytogenetics literature
- What kinds of coding questions are commonly raised for chromosome analysis services
- Which terminology is defined in the article’s glossary
Who Should Read This
- Medical coders
- Pathologists
- Cytogeneticists
- Clinical laboratory professionals
- Genetics billing and compliance staff
Codes Discussed
Code Ranges Discussed
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