Parse every PLB provider-level adjustment segment in an X12 835 remittance file and reconcile the adjustments against expected contract payments before posting to accounts receivable
After processing all CLP claim payment loops, locate PLB segments that appear before the SE segment at the provider level; each PLB carries the provider NPI in PLB01, the fiscal period date in PLB02, and up to three adjustment reason and amount pairs in PLB03 through PLB08
Map PLB03-01 and PLB05-01 adjustment reason codes to your internal adjustment categories: common codes include WO for withholding, CR for recoupment of a prior overpayment, and FB for forwarding balance from a prior period
Calculate the net PLB effect: positive amounts increase the payment and negative amounts reduce it; the total of the BPR payment amount minus all PLB negative adjustments plus all PLB positive adjustments must match the actual ACH deposit amount
For recoupment-related PLB adjustments identified by appropriate reason codes, retrieve the original claim associated with the recoupment using any REF reference numbers provided in adjacent segments and open a correspondence or dispute record
Post PLB adjustments to a dedicated provider-level adjustment GL account separate from claim-level CAS adjustments, because PLB adjustments are not associated with individual claim lines and cannot be attributed to a specific service
Reconcile the final 835 check amount against the BPR02 payment amount and confirm PLB net adjustments account for the difference before closing the remittance batch
Known gotchas
A single 835 can contain multiple PLB segments for the same provider, each carrying different adjustment types; summing only the first PLB segment will produce an incorrect reconciliation total
PLB recoupment adjustments for overpayments on specific claims are sometimes coded with a generic withholding code rather than a claim-specific recoupment code, making automated matching to the original claim impossible without manual review
The BPR02 payment amount in the 835 represents the gross payment before PLB deductions; the actual deposited amount after PLB withholding will be lower, and posting BPR02 without subtracting PLB will overstate accounts receivable collections
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