What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveOrder

LOINC Code 35684-0: Colorado tick fever virus IgG and IgM panel (S)

Name: LOINC Code 35684-0: Colorado tick fever virus IgG and IgM panel (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:23.498Z

35684-0 is a LOINC code used to identify Colorado tick fever virus IgG and IgM panel (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.IgG & IgM panel. 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 Colorado tick fever virus Ab.IgG & IgM panel. 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: Order
Panel type: Panel

What it does not mean

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

Key facts

Colorado tick fever virus IgG and IgM panel - Serum
Colorado tick fever virus Ab.IgG & IgM panel
CTFV; CTFV IgG+IgM Pnl; ID; Immune globulin G; Immune globulin M; Immunoglobulin G; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Pan; PANEL.MICROBIOLOGY; Panl; Pnl; 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 IgG and IgM panel (S)Colorado tick fever virus IgG and IgM panel - SerumCTFV IgG+IgM Pnl SerColorado tick fever virus Ab.IgG & IgM panelPANEL.MICROColorado Tick Fever virus IgG and IgM Panel, Blood-

Frequently asked questions

Code details

Code35684-0

SystemLOINC

Display nameColorado tick fever virus IgG and IgM panel (S)

DescriptionColorado tick fever virus Ab.IgG & IgM panel

Short nameCTFV IgG+IgM Pnl Ser

ComponentColorado tick fever virus Ab.IgG & IgM panel

Property-

TimingPt

System (specimen)Ser

ScaleQn

ClassPANEL.MICRO

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.13

Last changed2.42

Consumer names

Colorado Tick Fever virus IgG and IgM Panel, Blood

Part names

Colorado tick fever virus Ab.IgG & IgM panel-PtSerQnColorado tick fever virus IgG and IgM panelPoint 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.