Compounded Preparation - HC 1%, Salicylic Acid 5% in Glaxal Base - includes a reference to a substance in the ingredient element

{
  "resourceType": "Medication",
  "id": "med0319",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Medication</b><a name=\"med0319\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource Medication &quot;med0319&quot; </p></div><p><b>doseForm</b>: Ointment <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#385101003)</span></p><blockquote><p><b>ingredient</b></p><h3>Items</h3><table class=\"grid\"><tr><td>-</td><td><b>Concept</b></td></tr><tr><td>*</td><td>Salicylic Acid (substance) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#387253001)</span></td></tr></table><p><b>strength</b>: 5 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span>/100 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span></p></blockquote><blockquote><p><b>ingredient</b></p><h3>Items</h3><table class=\"grid\"><tr><td>-</td><td><b>Concept</b></td></tr><tr><td>*</td><td>Hydrocortisone (substance) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#396458002)</span></td></tr></table><p><b>strength</b>: 1 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span>/100 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span></p></blockquote><blockquote><p><b>ingredient</b></p><h3>Items</h3><table class=\"grid\"><tr><td>-</td><td><b>Concept</b></td></tr><tr><td>*</td><td>White Petrolatum (substance) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#126066007)</span></td></tr></table><p><b>strength</b>: 94 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span>/100 g<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g = 'g')</span></p></blockquote></div>"
  },
  "doseForm": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "385101003",
        "display": "Ointment"
      }
    ],
    "text": "Ointment"
  },
  "ingredient": [
    {
      "item": {
        "concept": {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "387253001",
              "display": "Salicylic Acid (substance)"
            }
          ]
        }
      },
      "strengthRatio": {
        "numerator": {
          "value": 5,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        },
        "denominator": {
          "value": 100,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        }
      }
    },
    {
      "item": {
        "concept": {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "396458002",
              "display": "Hydrocortisone (substance)"
            }
          ]
        }
      },
      "strengthRatio": {
        "numerator": {
          "value": 1,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        },
        "denominator": {
          "value": 100,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        }
      }
    },
    {
      "item": {
        "concept": {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "126066007",
              "display": "White Petrolatum (substance)"
            }
          ]
        }
      },
      "strengthRatio": {
        "numerator": {
          "value": 94,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        },
        "denominator": {
          "value": 100,
          "system": "http://unitsofmeasure.org",
          "code": "g"
        }
      }
    }
  ]
}