<prompt> Translate the following text to EnglishWataalamu wa afya wametoa maoni yao juu ya uwezekano wa kukataa malipo ya huduma za matibabu zinazotolewa kwa wagonjwa ikiwa wana kiwango cha damu cha pombe au dawa za kulevya.  <response>: Physicians have voiced a common concern about alcohol the potential denial of reimbursement for medical services provided to patients if they have a positive blood alcohol or drug screen. 