MHC

This serves to unify the diagnostic and billing process between psychological and medical professions. Thus the DSM-5 gives both the ICD-9 and ICD-10 codes, and when making a diagnosis, one may want to list the ICD-9 code first and place the ICD-10 code in parenthesis. Clearly, it is important to know which version of the ICD is being used when ... ................
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