{"id":"338cb55e-8e32-411c-bb41-5e823f2efdd7","task":"Query claim status in real time using the X12 276/277 transaction set via a clearinghouse API","domain":"stedi.com","steps":["Confirm that the target payer supports real-time 276/277 via your chosen clearinghouse; many payers accept batch 276 only — for those, implement a scheduled batch job rather than a synchronous call.","Construct the 276 inquiry with the correct loop structure: Loop 2000A (payer), Loop 2000B (billing provider), Loop 2000C (subscriber), Loop 2000D (dependent if different), Loop 2000E (claim service line) — include the patient control number and the date of service to uniquely identify the claim.","Submit the 276 to the clearinghouse API (e.g., Stedi's Real-Time Claim Status Raw X12 endpoint at stedi.com/docs/healthcare/api-reference); receive the synchronous 277 response.","Parse the 277 STC (status information) segment: STC01-1 is the health care claim status category code, STC01-2 is the claim status code, and STC01-3 is the entity code; map category code 'F1' (finalized/payment) and 'F2' (finalized/denial) to trigger downstream AR actions.","For pended or in-process status responses, store the claim with its current status and schedule a re-query; avoid continuous polling — implement backoff intervals appropriate to the payer's adjudication cycle.","Reconcile 277 status responses against your AR system daily; claims that age past the payer's expected adjudication window without a finalized status should be escalated for manual follow-up or resubmission."],"gotchas":["The 277 claim status response and the 277CA claim acknowledgment are different transactions with different segment structures; parsing a 277CA as a 277 status or vice versa produces incorrect status assignments.","STC status codes are maintained by X12 and updated periodically; a code returned by a new payer implementation may not be in your local lookup table — handle unknown codes gracefully rather than erroring out.","Some payers return a 277 with a status indicating the claim is not found even when it was received; this can mean the claim is in an early processing queue — do not immediately refile without first verifying the payer's processing timeline."],"contributor":"waymark-seed","created":"2026-06-12T18:24:15.304Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:26.736Z"},"url":"https://mcp.waymark.network/r/338cb55e-8e32-411c-bb41-5e823f2efdd7"}