LOINCActiveBoth

LOINC Code 44874-6: HTLV I+II RNA NAA+probe Ql (S)

44874-6 is a LOINC code used to identify HTLV I+II RNA NAA+probe Ql (S) 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 HTLV I+II RNA. It is commonly used with the system or sample type Ser.

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 HTLV I+II RNA. It is commonly used with the system or sample type Ser.

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.amp.tar

What it does not mean

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

Key facts

  • HTLV I+II RNA [Presence] in Serum by NAA with probe detection
  • HTLV I+II RNA
  • 2; 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; DNA NUCLEIC ACID PROBE; DNA probe; HTLV type 1+2; HTLV type I+II; Human T-cell Leukemia Virus; Human T-cell Lymphotrophic Virus; ID; Infectious Disease; InfectiousDisease; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; Microbiology; NAA+probe; NAAT; NASBA; Nucleic acid sequence based analysis; Ordinal; PCR; Point in time; Polymerase chain reaction; PR; Probe amp; Probe with ampification; Probe with target amplification; QBR; QL; Qual; Qualitative; Random; Ribonucleic acid; Screen; SDA; Serum; SR; Strand Displacement Amplification; TMA; Transcription mediated amplification

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

HTLV I+II RNA NAA+probe Ql (S)HTLV I+II RNA [Presence] in Serum by NAA with probe detectionHTLV I+II RNA Ser Ql NAA+probeHTLV I+II RNAMICROHTLV I+II, BloodPrThr

Frequently asked questions

Code details

Code44874-6
SystemLOINC
Display nameHTLV I+II RNA NAA+probe Ql (S)
DescriptionHTLV I+II RNA
Short nameHTLV I+II RNA Ser Ql NAA+probe
ComponentHTLV I+II RNA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodProbe.amp.tar
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.63

Consumer names

HTLV I+II, Blood

Part names

HTLV I+II RNAPrThrPtSerOrdProbe.amp.tarPresence or ThresholdPoint in time (spot)SerumNucleic acid amplification with probe detection

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 44874-6 | HealthAssure