Additional Narrative:

Laboratory service title: laboratory service - serum HSV 1 IgM titer on serum

id: example-lab-service-hsvt1-serum

meta - profile: hl7.org/fhir/uv/order-catalog/StructureDefinition/LabServiceDefinition

CatalogReference: Composition/example-lab-compendium-header

name: HVS1IgMtiter

description: serum HSV 1 IgM titer on serum specimen, can be ordered standalone or triggered as reflex by the IgM screen test

type: test

status: draft, experimental

publisher: HL7 International

contact: HL7 Orders and Observations Work Group ( http://www.hl7.org/Special/committees/orders/index.cfm)

useContext (task): LABOE (laboratory test order entry task)

topic: SNOMED CT: 165994006 |Sample serology|

action:	Herpes simplex virus 1 IgM titer
	extension:SpecimenRequested:	SpecimenDefinition/example-specimen-2ml-serum
	code:	LOINC: 50758-2 |Herpes simplex virus 1 IgM Ab [Titer] in Serum by Immunofluorescence|
	definition:	ActivityDefinition/example-lab-procedure-hsvt1