LOINCActiveBoth

LOINC Code 22183-8: Chlamydia sp IgG Qn (CSF)

22183-8 is a LOINC code used to identify Chlamydia sp IgG Qn (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 Chlamydia sp Ab.IgG. 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 Chlamydia sp Ab.IgG. 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

What it does not mean

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

Key facts

  • Chlamydia sp IgG Ab [Units/volume] in Cerebral spinal fluid
  • Chlamydia sp Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Chlam; Chlamid; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; species; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; spp

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

Chlamydia sp IgG Qn (CSF)Chlamydia sp IgG Ab [Units/volume] in Cerebral spinal fluidChlamydia IgG CSF-aCncChlamydia sp Ab.IgGMICROChlamydia sp IgG antibody, Spinal fluidACnc

Frequently asked questions

Code details

Code22183-8
SystemLOINC
Display nameChlamydia sp IgG Qn (CSF)
DescriptionChlamydia sp Ab.IgG
Short nameChlamydia IgG CSF-aCnc
ComponentChlamydia sp Ab.IgG
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.69

Consumer names

Chlamydia sp IgG antibody, Spinal fluid

Part names

Chlamydia sp Ab.IgGACncPtCSFQnChlamydia sp IgGArbitrary ConcentrationPoint in time (spot)Cerebral spinal fluid

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 22183-8 | HealthAssure