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LOINC Code 23950-9: Adenovirus Ab CF (CSF) [Titer]

23950-9 is a LOINC code used to identify Adenovirus Ab CF (CSF) [Titer] 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 Adenovirus 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 Adenovirus 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: Comp fix

What it does not mean

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

Key facts

  • Adenovirus Ab [Titer] in Cerebral spinal fluid by Complement fixation
  • Adenovirus Ab
  • ABS; Aby; Adeno virus; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; CF; Comp fixation; Compfix; Complement fixation; Dilution factor; Dilution Factor (Titer); HAdV; ID; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; Ttr

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

Adenovirus Ab CF (CSF) [Titer]Adenovirus Ab [Titer] in Cerebral spinal fluid by Complement fixationHAdV Ab Titr CSF CFAdenovirus AbMICROAdenovirus antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code23950-9
SystemLOINC
Display nameAdenovirus Ab CF (CSF) [Titer]
DescriptionAdenovirus Ab
Short nameHAdV Ab Titr CSF CF
ComponentAdenovirus Ab
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
MethodComp fix
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0o
Last changed2.75

Consumer names

Adenovirus antibody, Spinal fluid

Part names

Adenovirus AbTitrPtCSFSemiQnComp fixTiterPoint in time (spot)Cerebral spinal fluidComplement fixation

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 23950-9 | HealthAssure