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LOINC Code 16947-4: HSV 1 Ab IB Ql (CSF)

16947-4 is a LOINC code used to identify HSV 1 Ab IB Ql (CSF) 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 Herpes simplex virus 1 Ab. It is commonly used with the system or sample type CSF.

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 Herpes simplex virus 1 Ab. 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: IB

What it does not mean

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

Key facts

  • Herpes simplex virus 1 Ab [Presence] in Cerebral spinal fluid by Immunoblot
  • Herpes simplex virus 1 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Cerebral spinal fluid; Cerebrospinal Fl; Herp splx; Herpes simplex virus type 1; Herpes simplex virus type I; HSV; HSV1; i; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; WB; WBLOT; West blot; West blt; Western blot

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

HSV 1 Ab IB Ql (CSF)Herpes simplex virus 1 Ab [Presence] in Cerebral spinal fluid by ImmunoblotHSV1 Ab CSF Ql IBHerpes simplex virus 1 AbMICROHerpes simplex virus 1 (HSV 1) antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code16947-4
SystemLOINC
Display nameHSV 1 Ab IB Ql (CSF)
DescriptionHerpes simplex virus 1 Ab
Short nameHSV1 Ab CSF Ql IB
ComponentHerpes simplex virus 1 Ab
PropertyPrThr
TimingPt
System (specimen)CSF
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.58

Consumer names

Herpes simplex virus 1 (HSV 1) antibody, Spinal fluid

Part names

Herpes simplex virus 1 AbPrThrPtCSFOrdIBPresence or ThresholdPoint in time (spot)Cerebral spinal fluidImmunoblot

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.