"What's the ICD-10 code for [diagnosis]" / "diagnosis code lookup" / "billing code for [condition]" / "EHR code for [X]" — search ICD-10-CM diagnostic codes (US clinical modification, ~96k codes). Returns code + full description. Use for medical billing, EHR diagnosis coding, claim coding. Exampl...
Part of the Clinicaltables server.
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AI agents call icd10cm to retrieve information from Clinicaltables without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though icd10cm only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"icd10cm": {}
}
}See the full Clinicaltables policy for all 30 tools.
These attack patterns abuse exactly the kind of access icd10cm gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
"What's the ICD-10 code for [diagnosis]" / "diagnosis code lookup" / "billing code for [condition]" / "EHR code for [X]" — search ICD-10-CM diagnostic codes (US clinical modification, ~96k codes). Returns code + full description. Use for medical billing, EHR diagnosis coding, claim coding. Example: terms="diab" → E11.9 Type 2 diabetes mellitus without complications.. It is categorised as a Read tool in the Clinicaltables MCP Server, which means it retrieves data without modifying state.
Register the Clinicaltables MCP server in PolicyLayer and add a rule for icd10cm: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Clinicaltables. Nothing to install.
icd10cm is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the icd10cm rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for icd10cm. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
icd10cm is provided by the Clinicaltables MCP server (https://gateway.pipeworx.io/clinicaltables/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 30 Clinicaltables tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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