Free tools
Free tools for billing & coding teams
Fast, private reference tools built by the team behind Medmio CodeSightTM. No login, no limits — each one runs entirely in your browser.
Free
Denial Code Decoder
Decode any denial in seconds. Paste a whole remittance and decode every CARC & RARC line at once.
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Free
ICD-10 Code Lookup
Search 74,000+ diagnosis codes. Find any ICD-10-CM code by condition or number, plus in-depth coding guides.
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HCPCS Level II Lookup
J-codes, DME, drugs, and supplies — with official CMS descriptions.
Coming soon
Place of Service Lookup
Every POS code — office, telehealth, ER — and when to use each.
Coming soon
NPI Lookup
Look up any provider or organization NPI from the official registry.
Coming soon
From reference to automatic.
These tools speed up the lookups. CodeSightTM removes them — it reads the clinical note and suggests the ICD-10 & CPT codes for you, with a human-review queue for anything uncertain.