Best Drug-to-ICD-10 Reference Tools (2026)
Clinical drug references focus on medication information. HCC Buddy adds medication-to-ICD-10-CM links for coding review. Those links are clues, not diagnosis support, and they must be checked against the provider's documentation and official coding guidance. Drug data is sourced against Drugs@FDA and FDA drug labels, then mapped to the CMS ICD-10-CM code set.
| Feature | Drugs.com | RxList | FDA DailyMed | Epocrates | HCC BuddyOnly option |
|---|---|---|---|---|---|
| Drug information | |||||
| Drug → ICD-10 code mapping | |||||
| HCC risk adjustment mapping | |||||
| Condition → drug reverse lookup | Partial | ||||
| ICD-10-CM Encoder integration | |||||
| Current CY2026 V28 + historical PY2025 V24 reference | |||||
| FDA NDC data | |||||
| Drug interactions | |||||
| Trial | Yes (with ads) | Yes (with ads) | Yes | Limited | 7-day free trial, no card |
| Built for medical coders |
The Bottom Line
Clinical providers can use drug references for interactions and side effects. Coders can use HCC Buddy to review ICD-10-CM concepts associated with a medication, then return to the record before assigning a diagnosis.
During chart review, medication links can point to a condition that deserves a closer look. The provider's documentation, not the prescription alone, determines whether a diagnosis can be coded.
See the mapping HCC Buddy does in one card
One ICD-10-CM lookup returns available risk-model mapping evidence in a single card. Current CMS-HCC V28 stays distinct from historical PY2025 V24, and code-level coefficients are source-labeled references, not member totals.

Compare with your real workflow
Check one medication against diagnosis support.
Drug reference sites answer clinical questions. HCC Buddy helps coders ask a different question: what ICD-10-CM diagnoses does this medication support for chart review?
Or see the full HCC coding software toolkit — every lookup, calculator, and reference in one place.
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