</valueAttachment> </extension> <status value="final"/> <category> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category"/> <version value="2.0.0"/> <code value="laboratory"/> <display value="Laboratory"/> </coding> </category> <code> <coding> <system value="http://snomed.info/sct"/> <version value="http://snomed.info/sct/11000274103/version/20260515"/> <code value="703450007"/> <display value="Electrophoresis technique"/> </coding> </code> <subject> <reference value="Patient/84e01fa5-6763-4a96-99f3-170cf9b317ff"/> <identifier> <type> <coding> <system value="http://fhir.de/CodeSystem/identifier-type-de-basis"/> <code value="KVZ10"/> <display value="Krankenversichertennummer"/> </coding> </type> <system value="http://fhir.de/sid/gkv/kvid-10"/> <value value="K123456789"/> </identifier> </subject> <effectiveDateTime value="2021-11-15T11:30:00+01:00"/> <performer> <reference value="PractitionerRole/a424d6c6-de52-443e-a9b2-5240d3b9401a"/> </performer> <note> <text value="Erneute Testung in 3 Monaten"/> </note> <derivedFrom> <reference value="Observation/51b6129a-b68c-485d-a37b-9593fee4354f"/> </derivedFrom> </Observation>