LOINC Code 49990-5: HSV 2 DNA NAA+probe (CSF) [#/Vol]

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 Herpes simplex virus 2 DNA. It is commonly used with the system or sample type CSF.

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

• Herpes simplex virus 2 DNA [#/volume] (viral load) in Cerebral spinal fluid by NAA with probe detection
• Herpes simplex virus 2 DNA
• #; 3 Self-Sustaining Sequence Replication; 3SR SR; ABS; absolute; absolutes; Amplif; Amplification; Amplified; Cerebral spinal fluid; Cerebrospinal Fl; Cnt; Count; Count/volume; CT; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; Herp splx; Herpes simplex virus type 2; Herpes simplex virus type II; HSV; HSV2; ID; II; Infectious Disease; InfectiousDisease; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; Microbiology; NAA+probe; NAAT; NASBA; Neuro; Neurology; Nucleic acid sequence based analysis; Number concentration; Number Concentration (count/vol); PCR; Point in time; Polymerase chain reaction; Probe amp; Probe with ampification; Probe with target amplification; QBR; QNT; Quan; Quant; Quantitative; Random; SDA; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Strand Displacement Amplification; TMA; Transcription mediated amplification; Viral load

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