List available code systems

GET/construe/codes/systems

Returns the terminology server's catalog of available code systems, including both built-in standard terminologies and custom uploaded systems.

RequiresBearerauthentication

Returns

List of available code systems

Response fields

systemsobject[]required

namestringrequired

Code system name

versionstringrequired

Code system version

code_countintegerrequired

Total number of codes in the system

builtinbooleanrequired

Whether this is a built-in system (vs custom uploaded)

GETRequest

# Get authentication token
PHENOML_TOKEN=$(curl -X POST "https://experiment.app.pheno.ml/v2/auth/token" \
  -u "$PHENOML_CLIENT_ID:$PHENOML_CLIENT_SECRET" \
  | jq -r '.access_token')

curl -X GET "https://experiment.app.pheno.ml/construe/codes/systems" \
  -H "Authorization: Bearer $PHENOML_TOKEN"

200 OKExample Response

{
  "systems": [
    {
      "name": "CPT",
      "version": "umls-2026aa",
      "code_count": 10298,
      "builtin": true
    },
    {
      "name": "CPT",
      "version": "2025",
      "code_count": 10192,
      "builtin": true
    },
    {
      "name": "HCPCS",
      "version": "umls-2026aa",
      "code_count": 7322,
      "builtin": true
    },
    {
      "name": "HPO",
      "version": "umls-2026aa",
      "code_count": 19698,
      "builtin": true
    },
    {
      "name": "HPO",
      "version": "2025",
      "code_count": 19542,
      "builtin": true
    },
    {
      "name": "ICD-10",
      "version": "umls-2026aa",
      "code_count": 12292,
      "builtin": true
    },
    {
      "name": "ICD-10-CM",
      "version": "umls-2026aa",
      "code_count": 98506,
      "builtin": true
    },
    {
      "name": "ICD-10-CM",
      "version": "2025",
      "code_count": 97584,
      "builtin": true
    },
    {
      "name": "ICD-10-PCS",
      "version": "umls-2026aa",
      "code_count": 79232,
      "builtin": true
    },
    {
      "name": "ICD-10-PCS",
      "version": "2025",
      "code_count": 78717,
      "builtin": true
    },
    {
      "name": "LOINC",
      "version": "umls-2026aa",
      "code_count": 99231,
      "builtin": true
    },
    {
      "name": "LOINC",
      "version": "2.78",
      "code_count": 98123,
      "builtin": true
    },
    {
      "name": "RXNORM",
      "version": "umls-2026aa",
      "code_count": 259884,
      "builtin": true
    },
    {
      "name": "RXNORM",
      "version": "11042024",
      "code_count": 257619,
      "builtin": true
    },
    {
      "name": "SNOMED_CT_US",
      "version": "umls-2026aa",
      "code_count": 386110,
      "builtin": true
    },
    {
      "name": "SNOMED_CT_US",
      "version": "20240901",
      "code_count": 371482,
      "builtin": true
    },
    {
      "name": "SNOMED_CT_US_LITE",
      "version": "20240901",
      "code_count": 102837,
      "builtin": true
    }
  ]
}