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.

LOINCActiveBoth

LOINC Code 70136-7: R. spotted fever group IgM spec 2 IF (S) [Titer]

Name: LOINC Code 70136-7: R. spotted fever group IgM spec 2 IF (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:48.868Z

70136-7 is a LOINC code used to identify R. spotted fever group IgM spec 2 IF (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 Rickettsia spotted fever group Ab.IgM^2nd 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 Rickettsia spotted fever group Ab.IgM^2nd 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: IF

What it does not mean

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

Key facts

Rickettsia spotted fever group IgM Ab [Titer] in Serum by Immunofluorescence --2nd specimen
Rickettsia spotted fever group Ab.IgM^2nd specimen
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Convalescent; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Post immunization; Random; Rick SF; Ricket; Rickettsial; Second; Serum; SmQn; sp2; Spec; SR; 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

R. spotted fever group IgM spec 2 IF (S) [Titer]Rickettsia spotted fever group IgM Ab [Titer] in Serum by Immunofluorescence --2nd specimenRick SF IgM sp2 Titr Ser IFRickettsia spotted fever group Ab.IgM^2nd specimenMICRORickettsia spotted fever group IgM antibody specimen 2, BloodTitr

Frequently asked questions

Code details

Code70136-7

SystemLOINC

Display nameR. spotted fever group IgM spec 2 IF (S) [Titer]

DescriptionRickettsia spotted fever group Ab.IgM^2nd specimen

Short nameRick SF IgM sp2 Titr Ser IF

ComponentRickettsia spotted fever group Ab.IgM^2nd specimen

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIF

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.75

Consumer names

Rickettsia spotted fever group IgM antibody specimen 2, Blood

Part names

Rickettsia spotted fever group Ab.IgM^2nd specimenTitrPtSerSemiQnIFTiterPoint in time (spot)SerumImmunofluorescence (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.