Final answer:
A code with 2 diagnoses included is known as a combination code, used in the ICD system for diagnoses, tests, treatment authentication, and insurance claims. ICD codes appear in locations like medical billing documents and patient medical records.
Step-by-step explanation:
A code in which 2 diagnoses are included in 1 code is known as a combination code. These codes are part of the ICD (International Classification of Diseases) system which is used across the healthcare industry for a variety of purposes. For instance, when a patient presents with a condition, clinicians might use an ICD code to identify the required tests and treatments for that specific condition. Medical laboratories then use these codes to ascertain the necessary lab tests, and healthcare management systems check to ensure all procedures match the diagnosis.
Furthermore, these codes are crucial for medical coders and billers in processing claims for insurance reimbursement, and for public health officials who record morbidity and mortality statistics, such as on death certificates.
To illustrate the prevalence of ICD codes, two common locations where one could find these codes include medical billing documents and patient medical records, which serve as vital references for treatment, billing, and statistical analysis.