ICD-10 CM Guidelines, may be found at the following website: https://www.cdc.gov/nchs/icd/Comprehensive-Listing-of-ICD-10-CM-Files.htm.
Principal Diagnosis (PDX): The circumstances of inpatient admission always govern the selection of the principal diagnosis. Coding directives in the ICD-10 CM classification take precedence over all other guidelines.
A: ICD-10-CM (International Classification of Diseases -10th Version-Clinical Modification) is designed for classifying and reporting diseases in all healthcare settings.
ICD-10-CM consists of 21 chapters.
The guidelines further state that in determining PDX, coding conventions in the ICD-10-CM Manual, the Tabular List, and Alphabetic Index take precedence over the coding guidelines.
In determining the first-listed diagnosis the coding conventions of ICD-10-CM, as well as the general and disease-specific guidelines take precedence over the outpatient guidelines. diagnoses, symptoms, conditions, problems, complaints or other reason(s) for the encounter/visit.
The ICD-10-CM (International Classification of Diseases, Tenth Revision, Clinical Modification) is a system used by physicians and other healthcare providers to classify and code all diagnoses, symptoms and procedures recorded in conjunction with hospital care in the United States.
The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is a U.S. cataloging system for procedural codes that track various health interventions taken by medical professionals.
ICD-10-CM International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
The ICD-10 manual begins with “ICD-10-CM Official Guidelines for Coding and Reporting” and is then divided into two main parts: first, the alphabetic index of terms with corresponding codes (subdivided into an index of diseases and injuries, an index of external causes, and tables of drugs and neoplasms) and second, ...
ICD-10 codes consists of three to seven characters, while ICD-9 contained three to five digits.
ChaptersChapterBlockTitleIVE00–E90Endocrine, nutritional and metabolic diseasesVF00–F99Mental and behavioural disordersVIG00–G99Diseases of the nervous systemVIIH00–H59Diseases of the eye and adnexa18 more rows