LOINC Code 21190-4: C. trachomatis DNA NAA+probe Ql (Cvx)

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 Cvx.

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 Cervix by NAA with probe detection
• Chlamydia trachomatis DNA
• 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; C trac; C trach; C tracho; C trachomatis; Cervix; Chlam; Chlam trac; Chlamid; CT; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; Genital tract; Gyn; Gynecology; 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; OB; ObGyn; Obstetrics; 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; UniversalLabOrders

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.

Related SNOMED CT concepts

Related observations and tests

Common synonyms

Frequently asked questions