medterms-mcp
The medterms-mcp server provides medical terminology intelligence for AI agents, covering major clinical coding systems via NIH public APIs.
lookup_icd10: Search ICD-10-CM diagnostic codes by name (e.g., "major depressive disorder") or code (e.g., "F33.1"), returning the code, description, and category.lookup_meddra: Look up MedDRA Preferred Terms (PTs), including System Organ Class (SOC), hierarchy level, and synonyms — useful for adverse event coding and pharmacovigilance.lookup_rxnorm: Retrieve RxNorm drug concepts, RxCUI identifiers, ingredient relationships, ATC class, and brand/generic mappings.crossmap_icd_meddra: Translate medical concepts between ICD-10 and MedDRA coding systems in either direction — essential for regulatory submissions and pharmacovigilance.search_medical_concept: Search across SNOMED CT, MeSH, NCI Thesaurus, LOINC, and ICD-10-CM via the NIH UMLS Metathesaurus to retrieve concept definitions and cross-system identifiers.lookup_ctcae: Look up NCI CTCAE v5.0 grading criteria for adverse event terms, supporting oncology clinical trial safety reporting.
⚠️
lookup_icd10andlookup_rxnormare available on the free tier; the remaining four tools require a paid subscription.
MedTerms MCP Server
Medical terminology intelligence for AI agents.
Built on free public NIH APIs. Covers ICD-10-CM, MedDRA, RxNorm, CTCAE v5.0, and cross-terminology mapping — the coding systems used in every regulatory submission, clinical trial, and pharmacovigilance report.
Tools
Tool | What it does |
| Search ICD-10-CM codes by diagnosis name or code |
| MedDRA PT lookup with SOC, hierarchy, and synonyms |
| RxNorm drug concept, RxCUI, ATC class, brand/generic mapping |
| Cross-map between ICD-10 and MedDRA with regulatory context |
| Broad concept search across ICD-10, MedDRA, RxNorm |
| CTCAE v5.0 grading criteria for oncology adverse events |
Related MCP server: Medical Terminologies MCP
Who uses this
Medical information agents — classify AEs against MedDRA for FAERS submissions
Clinical trial agents — grade adverse events per CTCAE
Drug safety agents — map diagnoses between ICD-10 and MedDRA
Medical writing agents — look up correct PT for adverse reactions section
Regulatory submission agents — validate terminology before ICH E2B submission
EHR/EMR integration agents — translate between coding systems
Installation
npm install medterms-mcpOr run directly:
npx medterms-mcpClaude Desktop / MCP Config
{
"mcpServers": {
"medterms": {
"command": "npx",
"args": ["medterms-mcp"]
}
}
}Data Sources
All free, public APIs — no API key required:
ICD-10-CM: NIH NLM Clinical Tables API
RxNorm: NIH NLM RxNav API
MedDRA SOC/hierarchy: MedDRA v26.0 public documentation
CTCAE v5.0: NCI Cancer Therapy Evaluation Program
⚠️ MedDRA full term browser requires subscription at meddra.org. This server provides hierarchy navigation and curated PT reference data based on public documentation.
Pricing (via MCPize)
Tier | Calls/month | Price |
Free | 25 | $0 |
Pro | 1,000 | $39/mo ($374/yr) |
Business | 5,000 | $89/mo ($854/yr) |
Ultra | 10,000 | $129/mo ($1,238/yr) |
Built by a CMPP-certified PhD in Neuroscience with 10+ years in pharma medical communications.
Free tier includes lookup_icd10 and lookup_rxnorm. Paid tiers unlock the Advanced Terminology Intelligence tools: lookup_meddra, lookup_ctcae, crossmap_icd_meddra, and search_medical_concept.
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