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LOINC Code 26947-2: M. pneumoniae IgG IF (CSF) [Titer]

26947-2 is a LOINC code used to identify M. pneumoniae IgG IF (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 Mycoplasma pneumoniae 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 Mycoplasma pneumoniae 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
  • Method: IF

What it does not mean

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

Key facts

  • Mycoplasma pneumoniae IgG Ab [Titer] in Cerebral spinal fluid by Immunofluorescence
  • Mycoplasma pneumoniae Ab.IgG
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Dilution factor; Dilution Factor (Titer); Enzootic pneumonia; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Infectious Disease; InfectiousDisease; M pneumo; M pneumonia; M pneumoniae; Microbiology; Myco; Myco pneu; Mycoplas; Mycoplasm; Mycoplasmoides pneumoniae; Mycoplasmosis; Mycoplsm; Neuro; Neurology; Pneu; pneum; Pneumo; Pneumon; Pneumonia; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; 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

M. pneumoniae IgG IF (CSF) [Titer]Mycoplasma pneumoniae IgG Ab [Titer] in Cerebral spinal fluid by ImmunofluorescenceM pneumo IgG Titr CSF IFMycoplasma pneumoniae Ab.IgGMICROMycoplasma pneumoniae IgG antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code26947-2
SystemLOINC
Display nameM. pneumoniae IgG IF (CSF) [Titer]
DescriptionMycoplasma pneumoniae Ab.IgG
Short nameM pneumo IgG Titr CSF IF
ComponentMycoplasma pneumoniae Ab.IgG
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
MethodIF
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.75

Consumer names

Mycoplasma pneumoniae IgG antibody, Spinal fluid

Part names

Mycoplasma pneumoniae Ab.IgGTitrPtCSFSemiQnIFMycoplasma pneumoniae IgGTiterPoint in time (spot)Cerebral spinal fluidImmunofluorescence (IF)

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 26947-2 | HealthAssure