LOINC Code 40459-0: HBV DNA Probe+sig amp (S) [Log #/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 Hepatitis B virus DNA. 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.sig

What it does not mean

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

Key facts

• Hepatitis B virus DNA [Log #/volume] (viral load) in Serum by Probe with signal amplification
• Hepatitis B virus DNA
• Amplif; Amplification; Amplified; bDNA; Bdn-A; Branched Chain DNA; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; HBV; HC; Hep; Hep B; Hepatis; Hepatit; Hepatology; HepB; HPA; Hybidization Protection Assay; Hybrid Capture; Hybrid Capture nucleic acid hybridization; ID; Infectious Disease; InfectiousDisease; Liver; Log NCNC; Log#; Microbiology; Point in time; Probe amp; Probe with ampification; Probe with signal amplification; Probe+sig amp; QNT; Quan; Quant; Quantitative; Random; Serum; SR; 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.

Common synonyms

Frequently asked questions