When using GEMs for conversion from ICD-9-CM to ICD-10-CM/PCS or vice-versa, you should always confirm the mapping by _____.
A. confirming the code in both the ICD-9 and ICD-10 coding manuals
B. backwards mapping to check the code selection
C. consulting the coding clinic
D. re-reading chapter three of this textbook
Answer: A
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a. accreditation b. mandate c. regulation d. requirement
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