Free reference tools One Agency Suite No PHI required for free tools

Operational RCM workbenches
for medical billing agencies.

Free ICD-10, denial-code, and NPI lookup for everyday coding. One Agency Suite subscription for denial, AR, follow-up, prior auth, and the rest of your operational queues— without replacing your PM, EHR, or clearinghouse.

Live reference data
98,186 ICD-10-CM codes
1,434 CARC / RARC codes
Live CMS NPPES NPI API
Public POS · Modifiers · HCPCS · Taxonomy

Reference only — verify against the applicable payer and official source before billing.

Why agencies use NexLookup

Most billing teams already run claims through a practice management system and clearinghouse. Spreadsheets still fill the gaps: denials aging, AR follow-up, prior-auth status, posting exceptions. NexLookup gives those queues a shared home—client-separated, assignable, and exportable— so supervisors can see work and staff can close it without living in Excel.

  • Free tools stay free—no account required
  • Agency Suite: one subscription, all workbenches
  • Runs beside your existing PM / EHR / clearinghouse
  • Security & data practices
PAID · AGENCY SUITE

Agency RCM workbenches

Operational queues that replace Excel — all included in NexLookup Agency Suite.

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Denial Management

Cases, workbench, recovery tracking, aging and assignment by client.

Details

AR Management

Aging buckets, 90+ focus, insurance vs patient AR, bulk assignment.

Details

Claim Follow-Up

Workqueue for outstanding claims, next action dates and status.

Details

Payment Posting Exceptions

Unmatched, under/over, takeback and unapplied cash queues.

Details

Prior Authorization

Auth tracking, units used/approved, expiration alerts.

Details

Bulk NPI & Compliance

Batch NPPES checks, rosters and monitoring for provider files.

Details

Also included in Agency Suite: Credentialing, Recoupment, Patient Responsibility, Corrected Claims, Filing Deadline Risk, Coding QA, Internal Audit and more — one subscription unlocks everything.

Works alongside systems you already use

  • Not a PM / EHR replacement
    Import or enter operational queues. Keep billing in your existing stack.
  • Client isolation
    Agency clients stay separated for work assignment and reporting.
  • Single Agency Suite
    One subscription unlocks every agency workbench — denials, AR, follow-up, prior auth, and more.
  • Privacy-conscious
    Designed for non-PHI references (claim #, account ref). Security-ready architecture; formal HIPAA assessment required before production ePHI.

Start with free tools

Create an account when you are ready to buy a workbench or save favorites.

Create account Products
CMS / public reference sources
One Agency Suite subscription