Practice Quiz

Medical Coding

Category - ICD-10-CM Volumes 1 and 2

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What is a combination code and when can it be used?
  1. A combination code is a single code that is used to classify two diagnoses. It is used when the coder has reviewed the inclusion and exclusion criteria and when the code fully identifies the conditions listed in the medical record.
  2. A combination code is a single code that is used to identify three diagnoses. It is used when the coder has looked at the exclusion criteria and when it fully all of the elements listed in the medical record
  3. A combination code consists of two codes used to classify two diagnoses. It can be used to identify all of the elements involved in the diagnoses, as long as there are detailed records of these elements.
  4. A combination code consists of two codes used to classify at least two diagnoses. It can be used to identify all of the elements of the detailed medical record.
Explanation
Answer: A - A combination code is a single code used to classify two diagnoses. It can be used only after reviewing all inclusion and exclusion criteria and when the combination code fully identifies the diagnostic conditions listed in the medical record.
Multiple codes should not be used when a combination code exists that identifies all of the elements documented. However, when a combination code lacks the necessary specificity, an additional code such as a sign/symptom code may be used in addition to the combination code, although the combination code should always be used as the primary code.
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