Claude ICD-10 Codes connectorWhat Claude can do with ICD-10 Codes.
The Claude ICD-10 Codes connector exposes 9 tools, and all 9 are read tools. 0 write tools, 0 left undocumented. Claude searches, validates and maps out the 2026 ICD-10-CM diagnosis codes and ICD-10-PCS procedure codes used in US healthcare.
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What changes when Claude knows the ICD-10 code sets
Instead of paging through a code book or an encoder, you ask Claude a coding question in plain English. It finds the matching code, checks whether it is valid for a HIPAA-covered transaction and shows you the whole code family around it. Anthropic publishes this connector itself, and it reads a public reference database, never a patient chart.
Catch a bad code before the claim goes out. A revenue cycle analyst wants to know if E11.9 is billable. validate_code separates a complete code from a category header, and lookup_code returns its short and long descriptions.
Code to the highest specificity. A CDI specialist asks for the full type 2 diabetes tree. get_hierarchy pulls all 117 codes under E11, complications included, so she can query the physician for detail.
Find an inpatient procedure. For a laparoscopic appendectomy, search_procedure_by_description searches with PCS anatomical terms such as appendix and resection.
What it will not do, in plain terms: by default, its sheet exposes only read tools. No tool codes a chart, submits a claim or touches your billing system. The codes are those of the US healthcare system, and nothing runs on its own: Claude only searches while it answers you. For more examples, browse the Integrations hub.
Five terms before you connect
The vocabulary of this connector in one minute.
- Connector
- The link you set up once between Claude and an outside service, so Claude can use it while it answers you.
- Tool
- One named lookup a connector hands to Claude. Claude picks which ones to call by itself, and the directory lists them by name.
- Authorization
- A service's own sign-in screen, where you grant the access Claude will use; given once, per person, and revocable.
- Approval
- The confirmation Claude waits for before changing an account, shown in the conversation at the moment it matters.
- MCP
- The shared standard connectors run on: it is what lets an assistant like Claude talk to an outside service such as this code database.
Connect ICD-10 Codes to Claude in three steps
- 01
Find the connector
Open Claude's settings, go to Customize, then Connectors, and search for ICD-10 Codes. On a Team or Enterprise workspace, an Owner or Primary Owner has to switch it on for the organization before anyone else can use it.
- 02
Start the connection
Click Connect on its row. If the connector ever stops responding, use Disconnect and connect again: that is the documented fix whenever a connection goes stale.
- 03
Read what access covers
If an authorization screen appears, read it before you accept, because it defines what the access covers. Here the data is a public code set, with no patient records behind it.
The 9 tools of the ICD-10 Codes connector
ICD-10 Codes gives Claude 9 tools: 9 that read your account, 0 that change something in it.
Anthropic's ICD-10 tutorial describes each tool below by its exact name. None of them does anything beyond searching or checking.
- 9 read
What Claude looks up (9)
9 toolsNine lookups in the 2026 code sets. None of them changes anything.
get_hierarchy
Unfolds the full tree of codes below a category prefix, with parent-child links and how complications branch out. For E11 that means all 117 type 2 diabetes codes.
get_by_category
Walks diagnosis codes by chapter, given as a single letter such as E for endocrine diseases, or by a three-character category like E11.
get_by_body_system
Lists ICD-10-PCS procedure codes for one anatomical system, keyed on the first character of the code: 0 for the central nervous system, D for gastrointestinal.
lookup_code
Once you know the exact code, Claude brings back its complete record: short description, long description and validity for HIPAA transactions. Works for diagnoses and procedures alike.
search_diagnosis_by_code
Finds diagnosis codes from an exact match or the start of a code. Typing E11 surfaces every type 2 diabetes code and its related conditions.
search_diagnosis_by_description
Searches diagnosis codes from a disease name or clinical term, ignoring case, and keeps only codes that can be billed.
search_procedure_by_code
Finds ICD-10-PCS procedure codes by exact match or prefix. 0DT, for instance, returns gastrointestinal resections, handy for sweeping a procedure family systematically.
0DT to see every resection variant in the gastrointestinal family, one prefix at a time.search_procedure_by_description
Searches procedure codes from anatomical terms and root operations such as appendix, resection or percutaneous endoscopic approach.
validate_code
Confirms a code exists in the database and is accepted in a HIPAA-covered transaction, telling a billable code apart from a category header.
What Claude asks before it acts
By default, Claude stops and asks for your go-ahead before each action it takes on an account for someone. With ICD-10 Codes, every tool is a plain lookup.
The tutorial mentions no confirmation step for these nine tools, and no other source does either, so the default rule is the reference. On a Team or Enterprise workspace, owners decide whether a member may let some actions through without confirming each time. They can also cap what a connector does for the whole organization, and nobody gets around that setting from a personal account. Claude never gets more than the person who connected it.
Which Claude plans include ICD-10 Codes
None of the 819 sheets in the official directory shows availability by plan. Connector by connector, that information is not published anywhere.
The general rule is sourced: remote connectors are open to all users on Claude, Cowork, Claude Desktop and mobile. On Team and Enterprise, an Owner or Primary Owner enables the connector before members can sign in to it. For this connector's current state, check its sheet in the official directory, the only place that shows it for your own account.
Where the ICD-10 Codes connector stops
A connector is not an automation. Claude calls these tools while it answers you, so nothing kicks off on its own.
By default, its sheet exposes only read tools, and that is an observed floor, not a promise: an admin can open up actions that no public sheet lists. An Anthropic tutorial documents the connector, rather than a help center article of its own. Even with Anthropic as publisher, the directory badge is not a security audit, and the directory does not guarantee tools behave as described, so check who publishes what you connect.
Need help connecting ICD-10 Codes to Claude?
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