Inpatient Coding
Inpatient coders should possess a thorough knowledge of medical terminologies.
Inpatient coding and outpatient coding are two broad career paths offered by medical coding field. Coding medical charts of patients who are discharged within 24 hours is referred as outpatient coding. Inpatient coding involves coding the medical records of inpatients that stay in the hospital for more than 24 hours. Obviously, inpatients tend to have more complex treatment procedures. So, inpatient coding task is much harder that outpatient coding.
The main difference between inpatient coding and outpatient coding is the procedure codes. CPT, (Current Procedural Terminology) codes are published by the American Medical Association and are used for outpatient coding. The International Classification of Diseases Ninth Revision Clinical Modification (ICD-9-CM) is used for inpatient coding and is published by the World Health Organization (WHO).