ICD10Data alternative
ICD10Data alternative for HCC coders
ICD10Data.com is one of the most popular free ICD-10-CM lookup tools on the web, but it has no HCC mapping at all. HCC Buddy is an ICD10Data alternative built for HCC and risk adjustment coders: it keeps the free code lookup, then adds V24/V28 mapping and RAF weights to every result. Here is how they compare for coders who need the next layer.
| Feature | HCC Buddy | ICD10Data.com |
|---|---|---|
| ICD-10-CM Code Lookup | 72,000+ codes | 72,000+ codes |
| Code Hierarchy Navigation | Chapter/section tree | Tabular list navigation |
| Includes/Excludes Notes | Included | Included |
| HCC Category Mapping | V24 + V28 dual | |
| RAF Weight Display | Included | |
| Ask Buddy | Included | |
| NPI Provider Lookup | 9.37M records | |
| Drug Reference | Included | |
| Chrome Extension | Side panel + sidebar | |
| Ads | None | Ad-supported |
| Free Tier | 3 lookups/day | Free, no account |
| Free Trial | 14-day Pro trial | |
| Price | $19.99/mo founding, then $29.99/mo | Free |
Why coders look for an ICD10Data alternative
ICD10Data.com is a free reference tool designed for quick code lookups. It shows code descriptions, Includes/Excludes notes, and tabular hierarchy navigation. For Medicare Advantage work the next question matters more: does the code map, and what is the RAF value? ICD10Data has no HCC mapping at all, so a risk adjustment coder still needs a second tool. HCC Buddy was built for that coder: V24 and V28 mapping, RAF weights, and model-version context appear with every lookup, using the coefficient set published in the CMS 2026 Model Software ICD-10 mappings.
HCC mapping changes the lookup
ICD10Data shows a code's description and clinical notes. HCC Buddy shows the same information plus the HCC category, RAF weight, model version (V24, V28, or both), and whether the code maps to risk adjustment. For risk adjustment coders, that context is the difference between a basic lookup tool and a purpose-built coding platform. Both tools ultimately source their code descriptions from the same CMS ICD-10-CM code set.
Ad-free, with tools ICD10Data does not offer
ICD10Data is free but ad-supported, with display ads throughout the interface. HCC Buddy has no advertisements and adds Ask Buddy for coding questions, NPI provider lookup across 9.37M records, a drug reference, and a Chrome extension with a side panel and floating sidebar so coders can check ICD-10, HCC mapping, and NPI data without leaving their EHR tab. The extension keeps a Zero PHI posture: it never stores, logs, or transmits patient data.
Where ICD10Data is still the better fit
ICD10Data.com is completely free with no limits and no account required. It has been the go-to ICD-10-CM reference for years, is indexed by search engines for every code, and is excellent for quick one-off lookups by coders who do not need HCC mapping or risk adjustment tools. If you only need to look up a code description occasionally, ICD10Data is hard to beat. HCC Buddy is for the moment when the lookup needs to become a risk adjustment check.
Disclaimer: HCC Buddy is not affiliated with ICD10Data.com. Product details based on publicly available information as of June 2026 and may have changed since this page was last updated. This comparison is provided for informational purposes only.
Risk-adjusting code hub
Free lookup is fine. Mapped code depth is the real differentiator.
This directory exposes the billable V28 code pages that a basic free lookup tool does not organize around risk adjustment. It gives readers a direct bridge from comparison content into code-level HCC work.
Directory page 1
A01.04 to C34.12
250 billable mapped codes
Directory page 2
C34.2 to C62.91
250 billable mapped codes
Directory page 3
C62.92 to C81.49
250 billable mapped codes
Directory page 4
C81.4A to C84.75
250 billable mapped codes
Directory page 5
C84.76 to D03.72
250 billable mapped codes
Directory page 6
D03.8 to E08.3513
250 billable mapped codes
Compare with your real workflow
Turn a free lookup into an HCC-ready code review.
Try a code you would normally search on ICD10Data. HCC Buddy keeps the code description, then adds billable status, V28 mapping, RAF context, and chart-review reminders.
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