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DenialPath

io.github.maxbeech/denialpath
Deterministic CMS NCCI/MUE claim scrubbing and CARC/RARC denial explanations, cited to source.
healthy
status
6
tools exposed
365ms
connect latency
94cb77bc4cdd
schema fingerprint

Tools (6)

check_claim
Scrub a claim against the NCCI procedure-to-procedure (PTP) edits and medically unlikely edits (MUE) in force on its date of service. Deterministic: no model, so identical input always returns an identical verdict. Every finding.status is one of pass (checked against a real edit and clean), fail (an
explain_denial
Explain a CARC (Claim Adjustment Reason Code) and any RARCs (Remittance Advice Remark Codes) from a remittance: plain meaning, ranked corrective actions, and whether an appeal is worth filing. found:false means we do not hold that CARC in our dataset (X12 publishes far more codes than we have curate
get_ncci_edits
Look up NCCI procedure-to-procedure (PTP) edits, in two modes. Pair mode: pass column1, column2 (either order) and dateOfService to check whether that specific pair bundles on that date; status is no_data (we hold no edit for this pair in our dataset - NOT confirmation CMS has none), not_applicable
get_mue
Look up the medically unlikely edit (MUE) unit limit for a single CPT/HCPCS code. status is found or no_data; no_data means we hold no MUE value for this code in our dataset, not that CMS publishes none. When found, the returned limit.mai (adjudication indicator: "1" line edit - denies the excess un
draft_appeal
Generate an appeal letter for a denial, assembled deterministically from cited facts. REQUIRES A PRO OR SCALE PLAN. Called by an anonymous caller or a key on the free plan, this returns an upgrade_required error naming the pricing page - it never fabricates or partially generates a letter for a call
get_timely_filing
Days remaining to file an initial claim (or, if already past, how far over) for a payer given a date of service. daysRemaining and expired are null when we hold no published timely filing limit for that payer, which is common since many limits are contract-specific - check note before treating the r

Endpoint

https://denialpath.vercel.app/api/mcp
Category: Other · Last checked: 2026-07-30T13:56:20Z

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