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LOINC Code 6357-8: C. trachomatis DNA NAA+probe Ql (U)

6357-8 is a LOINC code used to identify C. trachomatis DNA NAA+probe Ql (U) 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 Chlamydia trachomatis DNA. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Chlamydia trachomatis DNA. It is commonly used with the system or sample type Urine.

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

  • Chlamydia trachomatis DNA [Presence] in Urine by NAA with probe detection
  • Chlamydia trachomatis DNA
  • 3 subspecies cause LGV
  • 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; C trac; C trach; C tracho; C trachomatis; Chlam; Chlam trac; Chlamid; CT; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; ID; Infectious Disease; InfectiousDisease; LAT; LCR; LGV; Ligase chain reaction; Ligation-activated transcription; Lymphogranuloma venereum; 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; Screen; SDA; Strand Displacement Amplification; TMA; Trachoma; Transcription mediated amplification; UA; UniversalLabOrders; UR; Urn

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

C. trachomatis DNA NAA+probe Ql (U)Chlamydia trachomatis DNA [Presence] in Urine by NAA with probe detectionC trach DNA Ur Ql NAA+probeChlamydia trachomatis DNAMICROChlamydia trachomatis, UrinePrThr

Frequently asked questions

Code details

Code6357-8
SystemLOINC
Display nameC. trachomatis DNA NAA+probe Ql (U)
DescriptionChlamydia trachomatis DNA
Short nameC trach DNA Ur Ql NAA+probe
ComponentChlamydia trachomatis DNA
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodProbe.amp.tar
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Chlamydia trachomatis, Urine

Part names

Chlamydia trachomatis DNAPrThrPtUrineOrdProbe.amp.tarPresence or ThresholdPoint in time (spot)Nucleic 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 6357-8 | HealthAssure