LOINCActiveBoth

LOINC Code 6381-8: CMV Ag IF Ql (Specimen)

6381-8 is a LOINC code used to identify CMV Ag IF Ql (Specimen) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Cytomegalovirus Ag. It is commonly used with the system or sample type XXX.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Cytomegalovirus Ag. It is commonly used with the system or sample type XXX.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: IF

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Cytomegalovirus Ag [Presence] in Specimen by Immunofluorescence
  • Cytomegalovirus Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; CMV; Cytomegalo virus; Cytomgal; DFA; FA; Fluorescent antibody; Fluoresent; HHV-5; Human Herpesvirus-5; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; Time Resolved Fluorescence; To be specified in another part of the message; TRF; Unspecified

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

CMV Ag IF Ql (Specimen)Cytomegalovirus Ag [Presence] in Specimen by ImmunofluorescenceCMV Ag Spec Ql IFCytomegalovirus AgMICROCytomegalovirus (CMV) antigen, SpecimenPrThr

Frequently asked questions

Code details

Code6381-8
SystemLOINC
Display nameCMV Ag IF Ql (Specimen)
DescriptionCytomegalovirus Ag
Short nameCMV Ag Spec Ql IF
ComponentCytomegalovirus Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0f
Last changed2.73

Consumer names

Cytomegalovirus (CMV) antigen, Specimen

Part names

Cytomegalovirus AgPrThrPtXXXOrdIFPresence or ThresholdPoint in time (spot)Immunofluorescence (IF)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 6381-8 | HealthAssure