-<Observation xmlns="http://hl7.org/fhir">

<id value="4"/>

-<text>

<status value="generated"/>

-<div xmlns="http://www.w3.org/1999/xhtml">

<pre>

Test                  Units       Value       Reference Range
Mean Cell Volume      fL          99+         80 - 98

</pre>

</div>

</text>

<status value="final"/>

-<code>

-<coding>

<system value="http://loinc.org"/>

<code value="787-2"/>

<display value="Mean Cell Volume"/>

</coding>

</code>

-<subject>

<reference value="Patient/1"/>

</subject>

<effectiveDateTime value="2018-07-03"/>

-<valueQuantity>

<value value="99"/>

<unit value="fL"/>

<system value="http://unitsofmeasure.org"/>

<code value="fL"/>

</valueQuantity>

-<interpretation>

-<coding>

<system value="http://hl7.org/fhir/v2/0078"/>

<code value="H"/>

</coding>

</interpretation>

-<referenceRange>

-<low>

<value value="80"/>

<unit value="fL"/>

<system value="http://unitsofmeasure.org"/>

<code value="fL"/>

</low>

-<high>

<value value="98"/>

<unit value="fL"/>

<system value="http://unitsofmeasure.org"/>

<code value="fL"/>

</high>

</referenceRange>

</Observation>