LOINCActiveBoth

LOINC Code 4997-3: CMV DNA Probe Ql (Tiss)

4997-3 is a LOINC code used to identify CMV DNA Probe Ql (Tiss) 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 DNA. It is commonly used with the system or sample type Tiss.

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 DNA. It is commonly used with the system or sample type Tiss.

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: Probe

What it does not mean

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

Key facts

  • Cytomegalovirus DNA [Presence] in Tissue by Probe
  • Cytomegalovirus DNA
  • CMV; Cytomegalo virus; Cytomgal; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; HHV-5; Human Herpesvirus-5; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, 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 DNA Probe Ql (Tiss)Cytomegalovirus DNA [Presence] in Tissue by ProbeCMV DNA Tiss Ql ProbeCytomegalovirus DNAMICROCytomegalovirus (CMV), TissuePrThr

Frequently asked questions

Code details

Code4997-3
SystemLOINC
Display nameCMV DNA Probe Ql (Tiss)
DescriptionCytomegalovirus DNA
Short nameCMV DNA Tiss Ql Probe
ComponentCytomegalovirus DNA
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodProbe
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.63

Consumer names

Cytomegalovirus (CMV), Tissue

Part names

Cytomegalovirus DNAPrThrPtTissOrdProbePresence or ThresholdPoint in time (spot)Tissue and Smears

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 4997-3 | HealthAssure