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COB Balancing Using the 5010 Format

The following calculations explain how COB is balanced using the 5010 format:

Determined ByCalculation
PayerThe Allowed Amount uses the prior payer's payment information coupled with adjustment information in the CAS segments in this loop.

The Allowed Amount = the prior payer payment + the sum total of all patient responsible adjustment amounts (in loop 2320)

The patient responsible adjustments are identified by use of the Category Code PR in CAS01.

ProviderThe Allowed Amount uses the prior payer's payment information coupled with the Remaining Patient Liability AMT segments.

The Allowed Amount = the prior payer payment + the Remaining Patient Liability AMT amount