Mix and match: type codes, or type a disease and click a suggestion — each becomes a tag. Add as many as you like, then press Enter or Check to validate them all at once. · 🔒 Full-claim checking & H&P extraction are part of the HBS client edition
Frequent flyers — tap to check
HBS clients — open your licensed edition
Your practice's edition adds whole-claim checking (unlimited codes at once), H&P / problem-list extraction, and HBS coding guidance. Enter your practice access code:
Why unspecified codes get denied
Every ICD-10-CM diagnosis code is either a billable code or a category heading that is not valid on a claim. Submitting a heading (like E11 or K08.1), a deleted code (like M54.5), or an out-of-date code leads to automatic rejections. Just as costly are "unspecified" codes — technically billable, but payers increasingly downcode or deny them when the documentation supports a more specific diagnosis, which reduces reimbursement and weakens medical necessity.
This checker validates any code against the complete official CMS FY2026 ICD-10-CM code set, flags generalized and invalid codes before the claim goes out, and suggests the specific billable alternatives to look for in the chart. It runs entirely in your browser: no signup, and no patient information is entered, stored, or transmitted.
Denials still eating into your revenue?
HBS clients get the licensed edition of this checker included. Healthcare Billing Services provides full revenue cycle management for physician practices — coding review, claim submission, denial management, and collections. Find out what your practice is leaving on the table.
Talk to HBS →