{
  "query": {
    "country": "JP",
    "medicine": "アセトアミノフェン"
  },
  "status": "ok",
  "price": {
    "currency": "JPY",
    "unit": "per unit (vial, ampoule, patch, kit...) (official price)",
    "value": 20.9,
    "measure": "median",
    "median": 20.9,
    "typical_low": 20.9,
    "typical_high": 42.8,
    "min": 20.9,
    "max": 298
  },
  "sample_size": 15,
  "period": {
    "from": "2026-10-22",
    "to": "2026-10-22"
  },
  "confidence": "medium",
  "price_type": "posted_price",
  "as_of": "2026-10-23T08:59:00.286Z",
  "source": {
    "id": "jp-mhlw-medicines",
    "name": "National Health Insurance drug price list (薬価基準収載品目リスト)",
    "publisher": "Ministry of Health, Labour and Welfare (MHLW), Japan",
    "licence": "Public Data License 1.0 (PDL1.0, compatible with CC BY 4.0) under the MHLW site terms; attribution required",
    "licence_url": "https://www.mhlw.go.jp/chosakuken/index.html",
    "attribution": "Source: Ministry of Health, Labour and Welfare website, National Health Insurance drug price list (https://www.mhlw.go.jp/topics/2025/04/tp20250401-01.html). Aggregated by ProofPrice; not altered otherwise.",
    "url": "https://www.mhlw.go.jp/topics/2025/04/tp20250401-01.html"
  },
  "method": "Median and 10th–90th percentile of the official National Health Insurance price (yen per unit: tablet, capsule, gram, millilitre or vial) of all products listed by the MHLW whose active ingredient matches the given name, copied once a day from the newest price list. Posted reimbursement prices, not market transactions; the range mixes strengths and makers (originals and generics).",
  "method_url": "https://proofprice.com/method",
  "summary": "Products containing \"アセトアミノフェン\" on Japan's National Health Insurance list have an official price per unit (vial, ampoule, patch, kit...) of a median JP¥20.9; 10th–90th percentile JP¥20.9–JP¥42.8 across 15 listed products, which mix strengths and makers (originals and generics). These are official reimbursement prices, not market transactions or what a patient paid (patients pay a share at the pharmacy). Based on 15 records from Ministry of Health, Labour and Welfare (MHLW), Japan (2026-10-22 to 2026-10-22). Confidence: medium.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "unit_form": "other"
  },
  "answer_id": "ans_f15ab84fa7c9dffc0b22",
  "method_version": "1",
  "retrieved_at": "2026-10-23T08:59:00.285Z",
  "evidence": {
    "type": "posted_price",
    "label": "Posted or listed price",
    "meaning": "A price a seller, market or authority publishes in advance (a shelf price, tariff, fee schedule or quoted wholesale price): it is what is asked, not a record of what each customer paid."
  },
  "reliability": "record_level",
  "data_as_of": "2026-10-22",
  "data_age_days": 1,
  "suggestions": [
    "This is a posted price, not what each customer paid."
  ]
}