Special research billing requirements; codes; and What does the Z00.6 (ICD-10) diagnosis code tell the payor and when is it required?The Z00.6 (ICD-10) diagnosis code reports that the service involved “examination of participant in clinical trial”. The Z00.6 (ICD-10) diagnosis code must be used for all services provided as part of a Qualified Clinical Trial or approved study, even if it would otherwise be standard of care for the patient absent the trial.2 | |
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