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LOINC Code 13293-6: Colorado tick fever virus IgM Qn (S)

13293-6 is a LOINC code used to identify Colorado tick fever virus IgM Qn (S) 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 Colorado tick fever virus Ab.IgM. It is commonly used with the system or sample type Ser.

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 Colorado tick fever virus Ab.IgM. 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

What it does not mean

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

Key facts

  • Colorado tick fever virus IgM Ab [Units/volume] in Serum
  • Colorado tick fever virus Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; CTFV; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Colorado tick fever virus IgM Qn (S)Colorado tick fever virus IgM Ab [Units/volume] in SerumCTFV IgM Ser-aCncColorado tick fever virus Ab.IgMMICROColorado Tick Fever virus IgM antibody, BloodACnc

Frequently asked questions

Code details

Code13293-6
SystemLOINC
Display nameColorado tick fever virus IgM Qn (S)
DescriptionColorado tick fever virus Ab.IgM
Short nameCTFV IgM Ser-aCnc
ComponentColorado tick fever virus Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.69

Consumer names

Colorado Tick Fever virus IgM antibody, Blood

Part names

Colorado tick fever virus Ab.IgMACncPtSerQnColorado tick fever virus IgMArbitrary ConcentrationPoint in time (spot)Serum

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.