ï· CPTÂ® stands for Current Procedural TerminologyÂ®. ï· The CPTÂ® Code Set is owned by the American Medical Association. ï· This is why there is a delay in the implementation of the ICD-10 codes. ï· The ICD-10 codes are used both for diagnosis and procedures coding. ï· The procedure codes that chiropractors use to bill covered procedures to Medicare.
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The denominator in a fraction cannot be zero because division by zero is undefined. So we need to figure out what values of the variable(s) in the expression would make the denominator equal zero. These values cannot be included in the domain, so they're called excluded values.