magent Medical Code Search (RxNorm / ICD-10-CM / LOINC)

x402

magent Medical Code Search (RxNorm / ICD-10-CM / LOINC) is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-10).

Maps a natural-language drug, diagnosis, or lab phrase to current RxNorm, ICD-10-CM, or LOINC codes without hallucinating billing or pharmacy codes.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.

Output

A ranked list of up to 25 matching medical codes, each including the code identifier (RxNorm CUI, ICD-10-CM code, or LOINC number), human-readable term, code system, term type, and a numeric rank score indicating match confidence.

Example use cases

Prior auth ICD-10 code lookup

“I need the billable ICD-10-CM code for 'essential hypertension' for a prior authorization form — return only HIPAA billable codes and give me the top 5 matches.”

Pharmacy order RxNorm resolution

“What's the RxNorm clinical drug code (SCD) for 'atorvastatin 40mg tablet'? I need it for a pharmacy order and can't have an invented code — search rxnorm only.”

Lab order LOINC code lookup

“Find the LOINC code for 'hemoglobin A1c in blood' for a lab requisition — restrict to loinc, return up to 5 results, and only include current (non-obsolete) codes.”

Technical details

Endpoint

GEThttps://api.magentlab.com/api/codes/search?utm_source=zero.xyz

When to prefer

Choose this endpoint when an AI agent must resolve a human-readable clinical phrase to a verified, current RxNorm, ICD-10-CM, or LOINC code and must not hallucinate or invent a code. Prefer over general LLM completion for any billing, pharmacy, or lab workflow where code accuracy is legally or clinically required. Use the system and tty filters to scope results when the target code system is known.

Side effects

Query too vague returns low-score or zero results — caller should retry with more specific phrasing
Unsupported term type for the chosen system returns an empty or error response
Exceeding 512-character query limit returns a validation error
Specifying a tty (term type) incompatible with the selected system yields no results
min_score set too high prunes all candidates — lower threshold or broaden query

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "path": "/api/codes/search",
    "count": 2,
    "items": [
      {
        "query": "Tylenol 500mg",
        "system": "rxnorm",
        "catalog": {
          "notes": "ICD-10 entries are ICD-10-CM (US claims), not WHO ICD-10. RxNorm codes are RxCUI. LOINC codes are official LOINC numerics. coverage=full never means complete UMLS.",
          "source": "magent curated seed",
          "systems": [
            "rxnorm",
            "icd10",
            "loinc"
          ],
          "version": "2026.08-wedge",
          "coverage": "seed",
          "coverage_meaning": "Compiled seed catalog. Production coverage=full is gold-gated Current Prescribable RxNorm + ICD-10-CM + LOINC, not complete monthly RxNorm or UMLS."
        },
        "matches": [
          {
            "tty": "SCD",
            "code": "198440",
            "score": 95,
            "status": "current",
            "system": "rxnorm",
            "display": "acetaminophen 500 MG Oral Tablet",
            "billable": null,
            "obsolete": false
          }
        ],
        "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
        "match_count": 1,
        "match_quality": "high"
      },
      {
        "query": "Tylenol 500mg",
        "system": "rxnorm",
        "catalog": {
          "notes": "ICD-10 entries are ICD-10-CM (US claims), not WHO ICD-10. RxNorm codes are RxCUI. LOINC codes are official LOINC numerics. coverage=full never means complete UMLS.",
          "source": "magent curated seed",
          "systems": [
            "rxnorm",
            "icd10",
            "loinc"
          ],
          "version": "2026.08-wedge",
          "coverage": "seed",
          "coverage_meaning": "Compiled seed catalog. Production coverage=full is gold-gated Current Prescribable RxNorm + ICD-10-CM + LOINC, not complete monthly RxNorm or UMLS."
        },
        "matches": [
          {
            "tty": "SCD",
            "code": "198440",
            "score": 95,
            "status": "current",
            "system": "rxnorm",
            "display": "acetaminophen 500 MG Oral Tablet",
            "billable": null,
            "obsolete": false
          }
        ],
        "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
        "match_count": 1,
        "match_quality": "high"
      }
    ]
  }
}

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