UM
UMLS Queries
Map between clinical terminologies with AI. Example queries for UMLS crosswalk, concept search, and cross-system code mapping using MCP tools.
4 tools available
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Auth required (NLM)
Search Queries
Search the UMLS Metathesaurus by term to find concept unique identifiers (CUIs) and the source vocabularies where each concept appears.
“Search UMLS for diabetes mellitus”
Tool: umls_search
| CUI | Name | Semantic Type | Sources |
|---|---|---|---|
| C0011849 | Diabetes Mellitus | Disease or Syndrome | SNOMEDCT_US, ICD10CM, RXNORM, LNC |
| C0011860 | Diabetes Mellitus, Type 2 | Disease or Syndrome | SNOMEDCT_US, ICD10CM, MSH |
| C0011854 | Diabetes Mellitus, Type 1 | Disease or Syndrome | SNOMEDCT_US, ICD10CM, MSH |
| C2985483 | Gestational Diabetes | Disease or Syndrome | SNOMEDCT_US, ICD10CM |
“Find the UMLS concept for hypertension”
Tool: umls_search
| CUI | Name | Semantic Type | Sources |
|---|---|---|---|
| C0020538 | Hypertensive disease | Disease or Syndrome | SNOMEDCT_US, ICD10CM, MSH |
| C0085580 | Essential Hypertension | Disease or Syndrome | SNOMEDCT_US, ICD10CM, MSH |
| C0264936 | Pulmonary Hypertension | Disease or Syndrome | SNOMEDCT_US, ICD10CM |
Lookup Queries
Retrieve detailed information about a UMLS concept by its CUI. Returns the preferred name, semantic type, definitions from contributing sources, and source atoms.
“What is UMLS CUI C0011849?”
Tool: umls_lookup
CUI: C0011849
Name: Diabetes Mellitus
Semantic Type: Disease or Syndrome
Definitions:
[MSH] A heterogeneous group of disorders characterized by
hyperglycemia and glucose intolerance.
[NCI] A metabolic disease in which the body's inability to
produce any or enough insulin causes elevated levels
of glucose in the blood.
Source Atoms:
SNOMEDCT_US 73211009 Diabetes mellitus
ICD10CM E08-E13 Diabetes mellitus
MSH D003920 Diabetes Mellitus
LNC LP36585-1 Diabetes mellitus
RXNORM — Diabetes Mellitus
“Look up UMLS concept C0004096”
Tool: umls_lookup
CUI: C0004096
Name: Asthma
Semantic Type: Disease or Syndrome
Definitions:
[MSH] A form of bronchial disorder with three distinct
components: airway hyper-responsiveness, airway
inflammation, and intermittent airway obstruction.
[NCI] A chronic respiratory disease manifested as difficulty
breathing due to the narrowing of bronchial passageways.
Source Atoms:
SNOMEDCT_US 195967001 Asthma
ICD10CM J45 Asthma
MSH D001249 Asthma
LNC LP21106-8 Asthma
Crosswalk Queries
Map codes between clinical terminologies using the UMLS Metathesaurus. Provide a source code and target vocabulary to find equivalent concepts across systems.
“Map SNOMED code 73211009 to ICD-10”
Tool: umls_crosswalk
| Direction | Vocabulary | Code | Term |
|---|---|---|---|
| Source | SNOMEDCT_US | 73211009 | Diabetes mellitus |
| Target | ICD10CM | E08-E13 | Diabetes mellitus |
| Target | ICD10CM | E11.9 | Type 2 diabetes mellitus without complications |
| Target | ICD10CM | E10.9 | Type 1 diabetes mellitus without complications |
“Map ICD-10 code I10 to SNOMED”
Tool: umls_crosswalk
| Direction | Vocabulary | Code | Term |
|---|---|---|---|
| Source | ICD10CM | I10 | Essential (primary) hypertension |
| Target | SNOMEDCT_US | 59621000 | Essential hypertension |
“What is the SNOMED equivalent of ICD-10 J45?”
Tool: umls_crosswalk
| Direction | Vocabulary | Code | Term |
|---|---|---|---|
| Source | ICD10CM | J45 | Asthma |
| Target | SNOMEDCT_US | 195967001 | Asthma |
| Target | SNOMEDCT_US | 233678006 | Childhood asthma |
| Target | SNOMEDCT_US | 426656000 | Severe persistent asthma |
Relation Queries
Explore relationships between UMLS concepts. Returns related CUIs with their relationship type, useful for understanding clinical context and building knowledge graphs.
“What concepts are related to C0011849 (Diabetes)?”
Tool: umls_relations
| Relationship | Related CUI | Related Concept | Semantic Type |
|---|---|---|---|
| has_finding_site | C0030274 | Pancreas | Body Part, Organ, or Organ Component |
| has_associated_morphology | C0342299 | Disorder of glucose metabolism | Disease or Syndrome |
| is_a | C0025517 | Metabolic disease | Disease or Syndrome |
| mapped_to | C0271640 | Diabetic complication | Disease or Syndrome |
| has_manifestation | C0020456 | Hyperglycemia | Disease or Syndrome |