"HbA1c" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Dates manquantes en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser) Par abréviation : Hb désigne l’hémoglobine."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "Hb-A_(1c)"
    },
    {
      "raw_tags": [
        "Plus courant"
      ],
      "word": "Hb A_(1c)"
    },
    {
      "word": "Hb A_(1C)"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la médecine",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole de l’hémoglobine glyquée (ou glycosylée)."
      ],
      "id": "fr-HbA1c-conv-symbol-mvXMIRtc",
      "topics": [
        "medicine"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "HbA1c"
}

{
  "categories": [
    "Dates manquantes en conventions internationales",
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "etymology_texts": [
    "(Date à préciser) Par abréviation : Hb désigne l’hémoglobine."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "Hb-A_(1c)"
    },
    {
      "raw_tags": [
        "Plus courant"
      ],
      "word": "Hb A_(1c)"
    },
    {
      "word": "Hb A_(1C)"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales de la médecine"
      ],
      "glosses": [
        "Symbole de l’hémoglobine glyquée (ou glycosylée)."
      ],
      "topics": [
        "medicine"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "HbA1c"
}