Onychia is an inflammation of the nail folds (surrounding tissue of the nail plate) of the nail with formation of pus and shedding of the nail. Onychia results from the introduction of microscopic pathogens through small wounds.
A Remittance Advice (RA) is a notice of payments and adjustments sent to providers, billers, and suppliers. After a claim has been received and processed, a Medicare contractor produces the RA, which may serve as a companion to a claim payment(s) or as an explanation when there is no payment.
Remittance Advice Remark Codes â¢ ASC X12 External Code Source 411LAST UPDATED 11/1/2016. Remittance Advice Remark Codes (RARCs) are used to provide additional explanation for an adjustment already described by a Claim Adjustment Reason Code (CARC) or to convey information about remittance processing. Each RARC identifies a specific message as shown in the Remittance Advice Remark Code List. There are two types of RARCs, supplemental and informational. The majority of the RARCs are supplemental; these are generally referred to as RARCs without further distinction.