LOINCActiveBoth

LOINC Code 104366-0: C. psittaci Ab spec 1 IA (S) [Titer]

104366-0 is a LOINC code used to identify C. psittaci Ab spec 1 IA (S) [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 Chlamydophila psittaci Ab^1st specimen. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Chlamydophila psittaci Ab^1st specimen. 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: IA

What it does not mean

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

Key facts

  • Chlamydophila psittaci Ab [Titer] in Serum by Immunoassay --1st specimen
  • Chlamydophila psittaci Ab^1st specimen
  • ABS; Aby; Acute specimen; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Avian chlamydiosis; C psittaci; Chlamydia; Chlamydia psittaci; Chlamydial abortion; CPS; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzootic abortion of ewes; Enzyme immunoassay; First; IAA; MEIA; Microbiology; Ornithosis; Ovine chlamydiosis; Point in time; Pre immunization; Psittacosis; Random; Serum; SmQn; sp1; Spec; SR; SUDS; 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

C. psittaci Ab spec 1 IA (S) [Titer]Chlamydophila psittaci Ab [Titer] in Serum by Immunoassay --1st specimenC psittaci Ab sp1 Titr Ser IAChlamydophila psittaci Ab^1st specimenMICROChlamydophila psittaci antibody specimen 1, BloodTitr

Frequently asked questions

Code details

Code104366-0
SystemLOINC
Display nameC. psittaci Ab spec 1 IA (S) [Titer]
DescriptionChlamydophila psittaci Ab^1st specimen
Short nameC psittaci Ab sp1 Titr Ser IA
ComponentChlamydophila psittaci Ab^1st specimen
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIA
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

Chlamydophila psittaci antibody specimen 1, Blood

Part names

Chlamydophila psittaci Ab^1st specimenTitrPtSerSemiQnIATiterPoint in time (spot)SerumImmunoassay

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 104366-0 | HealthAssure