LOINCActiveBoth

LOINC Code 26043-0: HLA-B27 NAA+probe Ql (Bld/Tiss)

26043-0 is a LOINC code used to identify HLA-B27 NAA+probe Ql (Bld/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 HLA-B27. It is commonly used with the system or sample type Bld/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 HLA-B27. It is commonly used with the system or sample type Bld/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.amp.tar

What it does not mean

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

Key facts

  • HLA-B27 [Presence] by NAA with probe detection
  • HLA-B27
  • 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; Blood; DNA NUCLEIC ACID PROBE; DNA probe; Genetics; Heredity; Heritable; HLA ANTIGEN; Human Leukocyte Antigen; Inherited; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; 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; Screen; SDA; Strand Displacement Amplification; Tissue; Tissue, unspecified; TMA; Transcription mediated amplification; UniversalLabOrders; WB; Whole blood; Whole blood or Tissue

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

HLA-B27 NAA+probe Ql (Bld/Tiss)HLA-B27 [Presence] by NAA with probe detectionHLA-B27 Ql NAA+probeHLA-B27HLAHLA-B27, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code26043-0
SystemLOINC
Display nameHLA-B27 NAA+probe Ql (Bld/Tiss)
DescriptionHLA-B27
Short nameHLA-B27 Ql NAA+probe
ComponentHLA-B27
PropertyPrThr
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodProbe.amp.tar
ClassHLA
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

HLA-B27, Blood or tissue specimen

Part names

HLA-B27PrThrPtBld/TissOrdProbe.amp.tarPresence or ThresholdPoint in time (spot)Blood or TissueNucleic 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 26043-0 | HealthAssure