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z79.899

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    Wiki Z79.899 Prophylactic Medication

    Is it appropriate to use Z79.899 to account for Benadryl taken 30-minutes prior to presentation when a patient is having an allergic reaction (rash) to food ingested. This patient has a history of an allergy to the same food and the medication is NOT listed on the patients long-term (current)...
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    Wiki G0477

    We are getting denials for code G0477 which took place of G0434. This is the urine drug screening. Has anyone else experienced this? The dx is Z79.899
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