LOINCActiveBoth

LOINC Code 49343-7: BK virus DNA NAA+probe (BM) [#/Vol]

49343-7 is a LOINC code used to identify BK virus DNA NAA+probe (BM) [#/Vol] 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 BK virus DNA. It is commonly used with the system or sample type Bone mar.

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 BK virus DNA. It is commonly used with the system or sample type Bone mar.

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

  • BK virus DNA [#/volume] (viral load) in Bone marrow by NAA with probe detection
  • BK virus DNA
  • #; 3 Self-Sustaining Sequence Replication; 3SR SR; ABS; absolute; absolutes; Amplif; Amplification; Amplified; BKV; BM; BON; Bone marrow; Cnt; Count; Count/volume; CT; Deoxyribonucleic acid; DNA NUCLEIC ACID PROBE; DNA probe; ID; Infectious Disease; InfectiousDisease; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; MAR; Marrow (bone); Microbiology; minimal angle of resolution; Minimum angle of resolution; NAA+probe; NAAT; NASBA; 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; 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.

Common synonyms

BK virus DNA NAA+probe (BM) [#/Vol]BK virus DNA [#/volume] (viral load) in Bone marrow by NAA with probe detectionBKV DNA # Mar NAA+probeBK virus DNAMICROBK virus, Bone marrowNCnc

Frequently asked questions

Code details

Code49343-7
SystemLOINC
Display nameBK virus DNA NAA+probe (BM) [#/Vol]
DescriptionBK virus DNA
Short nameBKV DNA # Mar NAA+probe
ComponentBK virus DNA
PropertyNCnc
TimingPt
System (specimen)Bone mar
ScaleQn
MethodProbe.amp.tar
ClassMICRO
Example unitscopies/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

BK virus, Bone marrow

Part names

BK virus DNANCncPtBone marQnProbe.amp.tarNumber ConcentrationPoint in time (spot)Bone marrowNucleic 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 49343-7 | HealthAssure